Finding the Fourth Proportional to 5,715,520.38, 7,893,964.22 and 3,764,121.62
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Solution
The fourth proportional to 5,715,520.38, 7,893,964.22 and 3,764,121.62 is: 5,198,798.95
Step by Step Solution
- Step 1: Write the proportion equation
5,715,520.38 : 7,893,964.22 = 3,764,121.62 : x - Step 2: Convert to fraction form
5,715,520.38/7,893,964.22 = 3,764,121.62/x - Step 3: Cross multiply
5,715,520.38x = 7,893,964.22 × 3,764,121.62 - Step 4: Simplify right side
5,715,520.38x = 29,713,841,329,718.01 - Step 5: Solve for x
x = 29,713,841,329,718.01/5,715,520.38 - Step 6: Final answer
x = 5,198,798.95
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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.