Finding the Fourth Proportional to 4,086,540.49, 5,639,356.98 and 2,251,170.46
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Solution
The fourth proportional to 4,086,540.49, 5,639,356.98 and 2,251,170.46 is: 3,106,577.28
Step by Step Solution
- Step 1: Write the proportion equation
4,086,540.49 : 5,639,356.98 = 2,251,170.46 : x - Step 2: Convert to fraction form
4,086,540.49/5,639,356.98 = 2,251,170.46/x - Step 3: Cross multiply
4,086,540.49x = 5,639,356.98 × 2,251,170.46 - Step 4: Simplify right side
4,086,540.49x = 12,695,153,846,770.81 - Step 5: Solve for x
x = 12,695,153,846,770.81/4,086,540.49 - Step 6: Final answer
x = 3,106,577.28
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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.