Finding the Fourth Proportional to 6,031,618.64, 8,323,717.92 and 3,278,305.20
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Solution
The fourth proportional to 6,031,618.64, 8,323,717.92 and 3,278,305.20 is: 4,524,106.94
Step by Step Solution
- Step 1: Write the proportion equation
6,031,618.64 : 8,323,717.92 = 3,278,305.20 : x - Step 2: Convert to fraction form
6,031,618.64/8,323,717.92 = 3,278,305.20/x - Step 3: Cross multiply
6,031,618.64x = 8,323,717.92 × 3,278,305.20 - Step 4: Simplify right side
6,031,618.64x = 27,287,687,740,469.18 - Step 5: Solve for x
x = 27,287,687,740,469.18/6,031,618.64 - Step 6: Final answer
x = 4,524,106.94
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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.