Finding the Fourth Proportional to 2,680,925.20, 3,699,703.06 and 1,457,229.97
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Solution
The fourth proportional to 2,680,925.20, 3,699,703.06 and 1,457,229.97 is: 2,010,991.64
Step by Step Solution
- Step 1: Write the proportion equation
2,680,925.20 : 3,699,703.06 = 1,457,229.97 : x - Step 2: Convert to fraction form
2,680,925.20/3,699,703.06 = 1,457,229.97/x - Step 3: Cross multiply
2,680,925.20x = 3,699,703.06 × 1,457,229.97 - Step 4: Simplify right side
2,680,925.20x = 5,391,318,160,634.19 - Step 5: Solve for x
x = 5,391,318,160,634.19/2,680,925.20 - Step 6: Final answer
x = 2,010,991.64
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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.