Finding the Fourth Proportional to 2,711,564.12, 4,067,370.02 and 689,810.17
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Solution
The fourth proportional to 2,711,564.12, 4,067,370.02 and 689,810.17 is: 1,034,721.32
Step by Step Solution
- Step 1: Write the proportion equation
2,711,564.12 : 4,067,370.02 = 689,810.17 : x - Step 2: Convert to fraction form
2,711,564.12/4,067,370.02 = 689,810.17/x - Step 3: Cross multiply
2,711,564.12x = 4,067,370.02 × 689,810.17 - Step 4: Simplify right side
2,711,564.12x = 2,805,713,204,949.10 - Step 5: Solve for x
x = 2,805,713,204,949.10/2,711,564.12 - Step 6: Final answer
x = 1,034,721.32
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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.