Finding the Fourth Proportional to 5,727,919.68, 7,902,562.14 and 3,551,679.72
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Solution
The fourth proportional to 5,727,919.68, 7,902,562.14 and 3,551,679.72 is: 4,900,098.34
Step by Step Solution
- Step 1: Write the proportion equation
5,727,919.68 : 7,902,562.14 = 3,551,679.72 : x - Step 2: Convert to fraction form
5,727,919.68/7,902,562.14 = 3,551,679.72/x - Step 3: Cross multiply
5,727,919.68x = 7,902,562.14 × 3,551,679.72 - Step 4: Simplify right side
5,727,919.68x = 28,067,369,688,677.80 - Step 5: Solve for x
x = 28,067,369,688,677.80/5,727,919.68 - Step 6: Final answer
x = 4,900,098.34
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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.