Finding the Fourth Proportional to 3,984,415.43, 5,498,467.97 and 2,265,535.95
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Solution
The fourth proportional to 3,984,415.43, 5,498,467.97 and 2,265,535.95 is: 3,126,425.21
Step by Step Solution
- Step 1: Write the proportion equation
3,984,415.43 : 5,498,467.97 = 2,265,535.95 : x - Step 2: Convert to fraction form
3,984,415.43/5,498,467.97 = 2,265,535.95/x - Step 3: Cross multiply
3,984,415.43x = 5,498,467.97 × 2,265,535.95 - Step 4: Simplify right side
3,984,415.43x = 12,456,976,836,755.23 - Step 5: Solve for x
x = 12,456,976,836,755.23/3,984,415.43 - Step 6: Final answer
x = 3,126,425.21
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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.