Finding the Fourth Proportional to 3,428,416.68, 4,730,257.38 and 2,701,006.92
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Solution
The fourth proportional to 3,428,416.68, 4,730,257.38 and 2,701,006.92 is: 3,726,635.09
Step by Step Solution
- Step 1: Write the proportion equation
3,428,416.68 : 4,730,257.38 = 2,701,006.92 : x - Step 2: Convert to fraction form
3,428,416.68/4,730,257.38 = 2,701,006.92/x - Step 3: Cross multiply
3,428,416.68x = 4,730,257.38 × 2,701,006.92 - Step 4: Simplify right side
3,428,416.68x = 12,776,457,916,761.07 - Step 5: Solve for x
x = 12,776,457,916,761.07/3,428,416.68 - Step 6: Final answer
x = 3,726,635.09
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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.