Finding the Fourth Proportional to 3,984,514.71, 5,498,604.58 and 2,265,635.11
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Solution
The fourth proportional to 3,984,514.71, 5,498,604.58 and 2,265,635.11 is: 3,126,561.82
Step by Step Solution
- Step 1: Write the proportion equation
3,984,514.71 : 5,498,604.58 = 2,265,635.11 : x - Step 2: Convert to fraction form
3,984,514.71/5,498,604.58 = 2,265,635.11/x - Step 3: Cross multiply
3,984,514.71x = 5,498,604.58 × 2,265,635.11 - Step 4: Simplify right side
3,984,514.71x = 12,457,831,553,633.61 - Step 5: Solve for x
x = 12,457,831,553,633.61/3,984,514.71 - Step 6: Final answer
x = 3,126,561.82
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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.