Finding the Fourth Proportional to 5,545,154.33, 7,691,462.01 and 5,397,679.45
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Solution
The fourth proportional to 5,545,154.33, 7,691,462.01 and 5,397,679.45 is: 7,486,905.50
Step by Step Solution
- Step 1: Write the proportion equation
5,545,154.33 : 7,691,462.01 = 5,397,679.45 : x - Step 2: Convert to fraction form
5,545,154.33/7,691,462.01 = 5,397,679.45/x - Step 3: Cross multiply
5,545,154.33x = 7,691,462.01 × 5,397,679.45 - Step 4: Simplify right side
5,545,154.33x = 41,516,046,431,832.70 - Step 5: Solve for x
x = 41,516,046,431,832.70/5,545,154.33 - Step 6: Final answer
x = 7,486,905.50
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.