Finding the Fourth Proportional to 5,680,658.64, 8,504,767.80 and 4,331,251.92
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Solution
The fourth proportional to 5,680,658.64, 8,504,767.80 and 4,331,251.92 is: 6,484,510.72
Step by Step Solution
- Step 1: Write the proportion equation
5,680,658.64 : 8,504,767.80 = 4,331,251.92 : x - Step 2: Convert to fraction form
5,680,658.64/8,504,767.80 = 4,331,251.92/x - Step 3: Cross multiply
5,680,658.64x = 8,504,767.80 × 4,331,251.92 - Step 4: Simplify right side
5,680,658.64x = 36,836,291,862,904.18 - Step 5: Solve for x
x = 36,836,291,862,904.18/5,680,658.64 - Step 6: Final answer
x = 6,484,510.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.