Finding the Fourth Proportional to 6,687,808.64, 9,229,175.54 and 3,787,760.07
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Solution
The fourth proportional to 6,687,808.64, 9,229,175.54 and 3,787,760.07 is: 5,227,108.68
Step by Step Solution
- Step 1: Write the proportion equation
6,687,808.64 : 9,229,175.54 = 3,787,760.07 : x - Step 2: Convert to fraction form
6,687,808.64/9,229,175.54 = 3,787,760.07/x - Step 3: Cross multiply
6,687,808.64x = 9,229,175.54 × 3,787,760.07 - Step 4: Simplify right side
6,687,808.64x = 34,957,902,584,697.99 - Step 5: Solve for x
x = 34,957,902,584,697.99/6,687,808.64 - Step 6: Final answer
x = 5,227,108.68
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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.