Home / 2,087,115.80-3,128,340.90-888,834.20

Finding the Fourth Proportional to 2,087,115.80, 3,128,340.90 and 888,834.20

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Solution

The fourth proportional to 2,087,115.80, 3,128,340.90 and 888,834.20 is: 1,332,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,115.80 : 3,128,340.90 = 888,834.20 : x
  2. Step 2: Convert to fraction form
    2,087,115.80/3,128,340.90 = 888,834.20/x
  3. Step 3: Cross multiply
    2,087,115.80x = 3,128,340.90 × 888,834.20
  4. Step 4: Simplify right side
    2,087,115.80x = 2,780,576,381,178.78
  5. Step 5: Solve for x
    x = 2,780,576,381,178.78/2,087,115.80
  6. Step 6: Final answer
    x = 1,332,257.84

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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.