Finding the Fourth Proportional to 2,486,807.58, 3,730,211.16 and 689,691.04
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Solution
The fourth proportional to 2,486,807.58, 3,730,211.16 and 689,691.04 is: 1,034,536.50
Step by Step Solution
- Step 1: Write the proportion equation
2,486,807.58 : 3,730,211.16 = 689,691.04 : x - Step 2: Convert to fraction form
2,486,807.58/3,730,211.16 = 689,691.04/x - Step 3: Cross multiply
2,486,807.58x = 3,730,211.16 × 689,691.04 - Step 4: Simplify right side
2,486,807.58x = 2,572,693,202,448.14 - Step 5: Solve for x
x = 2,572,693,202,448.14/2,486,807.58 - Step 6: Final answer
x = 1,034,536.50
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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.