Finding the Fourth Proportional to 4,387,972.88, 6,580,779.96 and 1,547,711.12
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Solution
The fourth proportional to 4,387,972.88, 6,580,779.96 and 1,547,711.12 is: 2,321,150.70
Step by Step Solution
- Step 1: Write the proportion equation
4,387,972.88 : 6,580,779.96 = 1,547,711.12 : x - Step 2: Convert to fraction form
4,387,972.88/6,580,779.96 = 1,547,711.12/x - Step 3: Cross multiply
4,387,972.88x = 6,580,779.96 × 1,547,711.12 - Step 4: Simplify right side
4,387,972.88x = 10,185,146,322,365.16 - Step 5: Solve for x
x = 10,185,146,322,365.16/4,387,972.88 - Step 6: Final answer
x = 2,321,150.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.