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Finding the Fourth Proportional to 1,917,543.87, 2,644,064.84 and 1,567,592.04

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Solution

The fourth proportional to 1,917,543.87, 2,644,064.84 and 1,567,592.04 is: 2,161,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,543.87 : 2,644,064.84 = 1,567,592.04 : x
  2. Step 2: Convert to fraction form
    1,917,543.87/2,644,064.84 = 1,567,592.04/x
  3. Step 3: Cross multiply
    1,917,543.87x = 2,644,064.84 × 1,567,592.04
  4. Step 4: Simplify right side
    1,917,543.87x = 4,144,814,988,589.91
  5. Step 5: Solve for x
    x = 4,144,814,988,589.91/1,917,543.87
  6. Step 6: Final answer
    x = 2,161,522.90

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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.