Home / 1,987,529.03-2,744,495.10-1,923,257.87

Finding the Fourth Proportional to 1,987,529.03, 2,744,495.10 and 1,923,257.87

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Solution

The fourth proportional to 1,987,529.03, 2,744,495.10 and 1,923,257.87 is: 2,655,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,529.03 : 2,744,495.10 = 1,923,257.87 : x
  2. Step 2: Convert to fraction form
    1,987,529.03/2,744,495.10 = 1,923,257.87/x
  3. Step 3: Cross multiply
    1,987,529.03x = 2,744,495.10 × 1,923,257.87
  4. Step 4: Simplify right side
    1,987,529.03x = 5,278,371,800,251.44
  5. Step 5: Solve for x
    x = 5,278,371,800,251.44/1,987,529.03
  6. Step 6: Final answer
    x = 2,655,745.76

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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.