Home / 1,987,528.53-2,744,494.41-1,923,257.37

Finding the Fourth Proportional to 1,987,528.53, 2,744,494.41 and 1,923,257.37

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Solution

The fourth proportional to 1,987,528.53, 2,744,494.41 and 1,923,257.37 is: 2,655,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,528.53 : 2,744,494.41 = 1,923,257.37 : x
  2. Step 2: Convert to fraction form
    1,987,528.53/2,744,494.41 = 1,923,257.37/x
  3. Step 3: Cross multiply
    1,987,528.53x = 2,744,494.41 × 1,923,257.37
  4. Step 4: Simplify right side
    1,987,528.53x = 5,278,369,100,956.30
  5. Step 5: Solve for x
    x = 5,278,369,100,956.30/1,987,528.53
  6. Step 6: Final answer
    x = 2,655,745.07

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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.