Finding the Fourth Proportional to 3,781,251.98, 5,218,189.94 and 2,062,372.49
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Solution
The fourth proportional to 3,781,251.98, 5,218,189.94 and 2,062,372.49 is: 2,846,107.97
Step by Step Solution
- Step 1: Write the proportion equation
3,781,251.98 : 5,218,189.94 = 2,062,372.49 : x - Step 2: Convert to fraction form
3,781,251.98/5,218,189.94 = 2,062,372.49/x - Step 3: Cross multiply
3,781,251.98x = 5,218,189.94 × 2,062,372.49 - Step 4: Simplify right side
3,781,251.98x = 10,761,851,379,850.75 - Step 5: Solve for x
x = 10,761,851,379,850.75/3,781,251.98 - Step 6: Final answer
x = 2,846,107.97
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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.