Finding the Fourth Proportional to 5,373,440.88, 8,063,310.64 and 3,855,487.92
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Solution
The fourth proportional to 5,373,440.88, 8,063,310.64 and 3,855,487.92 is: 5,785,491.54
Step by Step Solution
- Step 1: Write the proportion equation
5,373,440.88 : 8,063,310.64 = 3,855,487.92 : x - Step 2: Convert to fraction form
5,373,440.88/8,063,310.64 = 3,855,487.92/x - Step 3: Cross multiply
5,373,440.88x = 8,063,310.64 × 3,855,487.92 - Step 4: Simplify right side
5,373,440.88x = 31,087,996,767,727.47 - Step 5: Solve for x
x = 31,087,996,767,727.47/5,373,440.88 - Step 6: Final answer
x = 5,785,491.54
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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.