Finding the Fourth Proportional to 1,906,877.97, 2,631,507.21 and 1,047,457.44
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Solution
The fourth proportional to 1,906,877.97, 2,631,507.21 and 1,047,457.44 is: 1,445,499.84
Step by Step Solution
- Step 1: Write the proportion equation
1,906,877.97 : 2,631,507.21 = 1,047,457.44 : x - Step 2: Convert to fraction form
1,906,877.97/2,631,507.21 = 1,047,457.44/x - Step 3: Cross multiply
1,906,877.97x = 2,631,507.21 × 1,047,457.44 - Step 4: Simplify right side
1,906,877.97x = 2,756,391,805,528.14 - Step 5: Solve for x
x = 2,756,391,805,528.14/1,906,877.97 - Step 6: Final answer
x = 1,445,499.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.