Home / 1,867,972.40-2,797,811.40-1,619,140.40

Finding the Fourth Proportional to 1,867,972.40, 2,797,811.40 and 1,619,140.40

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Solution

The fourth proportional to 1,867,972.40, 2,797,811.40 and 1,619,140.40 is: 2,425,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,972.40 : 2,797,811.40 = 1,619,140.40 : x
  2. Step 2: Convert to fraction form
    1,867,972.40/2,797,811.40 = 1,619,140.40/x
  3. Step 3: Cross multiply
    1,867,972.40x = 2,797,811.40 × 1,619,140.40
  4. Step 4: Simplify right side
    1,867,972.40x = 4,530,049,469,320.56
  5. Step 5: Solve for x
    x = 4,530,049,469,320.56/1,867,972.40
  6. Step 6: Final answer
    x = 2,425,115.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.