Finding the Fourth Proportional to 6,431,652.12, 8,875,695.36 and 3,531,229.92
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Solution
The fourth proportional to 6,431,652.12, 8,875,695.36 and 3,531,229.92 is: 4,873,105.76
Step by Step Solution
- Step 1: Write the proportion equation
6,431,652.12 : 8,875,695.36 = 3,531,229.92 : x - Step 2: Convert to fraction form
6,431,652.12/8,875,695.36 = 3,531,229.92/x - Step 3: Cross multiply
6,431,652.12x = 8,875,695.36 × 3,531,229.92 - Step 4: Simplify right side
6,431,652.12x = 31,342,121,016,037.17 - Step 5: Solve for x
x = 31,342,121,016,037.17/6,431,652.12 - Step 6: Final answer
x = 4,873,105.76
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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.