Finding the Fourth Proportional to 3,252,139.47, 4,487,988.57 and 1,801,857.75
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Solution
The fourth proportional to 3,252,139.47, 4,487,988.57 and 1,801,857.75 is: 2,486,583.70
Step by Step Solution
- Step 1: Write the proportion equation
3,252,139.47 : 4,487,988.57 = 1,801,857.75 : x - Step 2: Convert to fraction form
3,252,139.47/4,487,988.57 = 1,801,857.75/x - Step 3: Cross multiply
3,252,139.47x = 4,487,988.57 × 1,801,857.75 - Step 4: Simplify right side
3,252,139.47x = 8,086,716,986,765.92 - Step 5: Solve for x
x = 8,086,716,986,765.92/3,252,139.47 - Step 6: Final answer
x = 2,486,583.70
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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.