Home / 3,944,865.38-5,912,358.39-2,118,742.70

Finding the Fourth Proportional to 3,944,865.38, 5,912,358.39 and 2,118,742.70

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Solution

The fourth proportional to 3,944,865.38, 5,912,358.39 and 2,118,742.70 is: 3,175,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,865.38 : 5,912,358.39 = 2,118,742.70 : x
  2. Step 2: Convert to fraction form
    3,944,865.38/5,912,358.39 = 2,118,742.70/x
  3. Step 3: Cross multiply
    3,944,865.38x = 5,912,358.39 × 2,118,742.70
  4. Step 4: Simplify right side
    3,944,865.38x = 12,526,766,149,034.46
  5. Step 5: Solve for x
    x = 12,526,766,149,034.46/3,944,865.38
  6. Step 6: Final answer
    x = 3,175,461.00

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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.