Earlier Census Date for Geometric Increase Method Solution

STEP 0: Pre-Calculation Summary
Formula Used
Earlier Census Date = Mid-Year Census Date-((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor)
TE = TM-((log10(PM)-log10(PE))/KG)
This formula uses 1 Functions, 5 Variables
Functions Used
log10 - The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function., log10(Number)
Variables Used
Earlier Census Date - The Earlier Census Date refers to the date at which the population is noted.
Mid-Year Census Date - The Mid-Year Census Date refers to the date at which population is noted.
Population at Mid Year Census - The Population at Mid Year Census refers to the population at the mid year census date.
Population at Earlier Census - The Population at Earlier Census refers to the population at the earlier census date.
Proportionality Factor - Proportionality Factor is defined as rate of change of population.
STEP 1: Convert Input(s) to Base Unit
Mid-Year Census Date: 29 --> No Conversion Required
Population at Mid Year Census: 40 --> No Conversion Required
Population at Earlier Census: 22 --> No Conversion Required
Proportionality Factor: 0.03 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
TE = TM-((log10(PM)-log10(PE))/KG) --> 29-((log10(40)-log10(22))/0.03)
Evaluating ... ...
TE = 20.3454229831415
STEP 3: Convert Result to Output's Unit
20.3454229831415 --> No Conversion Required
FINAL ANSWER
20.3454229831415 20.34542 <-- Earlier Census Date
(Calculation completed in 00.004 seconds)

Credits

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Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Verified by Ishita Goyal
Meerut Institute of Engineering and Technology (MIET), Meerut
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Inter Censal Period Calculators

Proportionality Factor for Geometric Increase Method
​ LaTeX ​ Go Proportionality Factor = (log10(Population at Mid Year Census)-log10(Population at Earlier Census))/(Mid-Year Census Date-Earlier Census Date)
Mid Year Census Date for Geometric Increase Method
​ LaTeX ​ Go Mid-Year Census Date = Earlier Census Date+((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor)
Population at Earlier Census for Geometric Increase Method
​ LaTeX ​ Go Population at Earlier Census = exp(log10(Population at Mid Year Census)-Proportionality Factor*(Mid-Year Census Date-Earlier Census Date))
Population at Mid Year for Geometric Increase Method
​ LaTeX ​ Go Population at Mid Year Census = exp(log10(Population at Earlier Census)+Proportionality Factor*(Mid-Year Census Date-Earlier Census Date))

Earlier Census Date for Geometric Increase Method Formula

​LaTeX ​Go
Earlier Census Date = Mid-Year Census Date-((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor)
TE = TM-((log10(PM)-log10(PE))/KG)

What is Geometric Increase Method?

The Geometric Increase Method is the population forecasting method in which the percentage increase in population from decade to decade is assumed to remain constant.It is also known as the logarithmic growth method or exponential growth method.

How to Calculate Earlier Census Date for Geometric Increase Method?

Earlier Census Date for Geometric Increase Method calculator uses Earlier Census Date = Mid-Year Census Date-((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor) to calculate the Earlier Census Date, The Earlier Census Date for Geometric Increase Method formula is defined as the value of earlier census date when we have prior information of other parameters used. Earlier Census Date is denoted by TE symbol.

How to calculate Earlier Census Date for Geometric Increase Method using this online calculator? To use this online calculator for Earlier Census Date for Geometric Increase Method, enter Mid-Year Census Date (TM), Population at Mid Year Census (PM), Population at Earlier Census (PE) & Proportionality Factor (KG) and hit the calculate button. Here is how the Earlier Census Date for Geometric Increase Method calculation can be explained with given input values -> 20.34542 = 29-((log10(40)-log10(22))/0.03).

FAQ

What is Earlier Census Date for Geometric Increase Method?
The Earlier Census Date for Geometric Increase Method formula is defined as the value of earlier census date when we have prior information of other parameters used and is represented as TE = TM-((log10(PM)-log10(PE))/KG) or Earlier Census Date = Mid-Year Census Date-((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor). The Mid-Year Census Date refers to the date at which population is noted, The Population at Mid Year Census refers to the population at the mid year census date, The Population at Earlier Census refers to the population at the earlier census date & Proportionality Factor is defined as rate of change of population.
How to calculate Earlier Census Date for Geometric Increase Method?
The Earlier Census Date for Geometric Increase Method formula is defined as the value of earlier census date when we have prior information of other parameters used is calculated using Earlier Census Date = Mid-Year Census Date-((log10(Population at Mid Year Census)-log10(Population at Earlier Census))/Proportionality Factor). To calculate Earlier Census Date for Geometric Increase Method, you need Mid-Year Census Date (TM), Population at Mid Year Census (PM), Population at Earlier Census (PE) & Proportionality Factor (KG). With our tool, you need to enter the respective value for Mid-Year Census Date, Population at Mid Year Census, Population at Earlier Census & Proportionality Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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