Finding the Fourth Proportional to 4,098,778.24, 5,657,909.07 and 3,668,310.76
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Solution
The fourth proportional to 4,098,778.24, 5,657,909.07 and 3,668,310.76 is: 5,063,696.42
Step by Step Solution
- Step 1: Write the proportion equation
4,098,778.24 : 5,657,909.07 = 3,668,310.76 : x - Step 2: Convert to fraction form
4,098,778.24/5,657,909.07 = 3,668,310.76/x - Step 3: Cross multiply
4,098,778.24x = 5,657,909.07 × 3,668,310.76 - Step 4: Simplify right side
4,098,778.24x = 20,754,968,720,582.59 - Step 5: Solve for x
x = 20,754,968,720,582.59/4,098,778.24 - Step 6: Final answer
x = 5,063,696.42
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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.