Finding the Fourth Proportional to 5,715,732.34, 7,884,122.79 and 3,390,978.97
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Solution
The fourth proportional to 5,715,732.34, 7,884,122.79 and 3,390,978.97 is: 4,677,422.42
Step by Step Solution
- Step 1: Write the proportion equation
5,715,732.34 : 7,884,122.79 = 3,390,978.97 : x - Step 2: Convert to fraction form
5,715,732.34/7,884,122.79 = 3,390,978.97/x - Step 3: Cross multiply
5,715,732.34x = 7,884,122.79 × 3,390,978.97 - Step 4: Simplify right side
5,715,732.34x = 26,734,894,577,787.73 - Step 5: Solve for x
x = 26,734,894,577,787.73/5,715,732.34 - Step 6: Final answer
x = 4,677,422.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.