Finding the Fourth Proportional to 6,474,601.92, 8,935,162.12 and 3,534,575.78
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Solution
The fourth proportional to 6,474,601.92, 8,935,162.12 and 3,534,575.78 is: 4,877,830.02
Step by Step Solution
- Step 1: Write the proportion equation
6,474,601.92 : 8,935,162.12 = 3,534,575.78 : x - Step 2: Convert to fraction form
6,474,601.92/8,935,162.12 = 3,534,575.78/x - Step 3: Cross multiply
6,474,601.92x = 8,935,162.12 × 3,534,575.78 - Step 4: Simplify right side
6,474,601.92x = 31,582,007,606,223.99 - Step 5: Solve for x
x = 31,582,007,606,223.99/6,474,601.92 - Step 6: Final answer
x = 4,877,830.02
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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.