Finding the Fourth Proportional to 3,895,747.22, 5,376,117.73 and 2,176,867.68
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Solution
The fourth proportional to 3,895,747.22, 5,376,117.73 and 2,176,867.68 is: 3,004,069.89
Step by Step Solution
- Step 1: Write the proportion equation
3,895,747.22 : 5,376,117.73 = 2,176,867.68 : x - Step 2: Convert to fraction form
3,895,747.22/5,376,117.73 = 2,176,867.68/x - Step 3: Cross multiply
3,895,747.22x = 5,376,117.73 × 2,176,867.68 - Step 4: Simplify right side
3,895,747.22x = 11,703,096,930,311.97 - Step 5: Solve for x
x = 11,703,096,930,311.97/3,895,747.22 - Step 6: Final answer
x = 3,004,069.89
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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.