Finding the Fourth Proportional to 3,691,121.57, 5,093,761.85 and 2,059,597.70
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Solution
The fourth proportional to 3,691,121.57, 5,093,761.85 and 2,059,597.70 is: 2,842,252.68
Step by Step Solution
- Step 1: Write the proportion equation
3,691,121.57 : 5,093,761.85 = 2,059,597.70 : x - Step 2: Convert to fraction form
3,691,121.57/5,093,761.85 = 2,059,597.70/x - Step 3: Cross multiply
3,691,121.57x = 5,093,761.85 × 2,059,597.70 - Step 4: Simplify right side
3,691,121.57x = 10,491,100,190,607.74 - Step 5: Solve for x
x = 10,491,100,190,607.74/3,691,121.57 - Step 6: Final answer
x = 2,842,252.68
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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.