Finding the Fourth Proportional to 3,422,732.14, 5,126,717.49 and 3,221,511.13
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Solution
The fourth proportional to 3,422,732.14, 5,126,717.49 and 3,221,511.13 is: 4,825,319.88
Step by Step Solution
- Step 1: Write the proportion equation
3,422,732.14 : 5,126,717.49 = 3,221,511.13 : x - Step 2: Convert to fraction form
3,422,732.14/5,126,717.49 = 3,221,511.13/x - Step 3: Cross multiply
3,422,732.14x = 5,126,717.49 × 3,221,511.13 - Step 4: Simplify right side
3,422,732.14x = 16,515,777,454,400.66 - Step 5: Solve for x
x = 16,515,777,454,400.66/3,422,732.14 - Step 6: Final answer
x = 4,825,319.88
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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.