Finding the Fourth Proportional to 5,393,572.62, 7,443,129.92 and 2,912,793.08
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Solution
The fourth proportional to 5,393,572.62, 7,443,129.92 and 2,912,793.08 is: 4,019,654.29
Step by Step Solution
- Step 1: Write the proportion equation
5,393,572.62 : 7,443,129.92 = 2,912,793.08 : x - Step 2: Convert to fraction form
5,393,572.62/7,443,129.92 = 2,912,793.08/x - Step 3: Cross multiply
5,393,572.62x = 7,443,129.92 × 2,912,793.08 - Step 4: Simplify right side
5,393,572.62x = 21,680,297,324,516.95 - Step 5: Solve for x
x = 21,680,297,324,516.95/5,393,572.62 - Step 6: Final answer
x = 4,019,654.29
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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.