Home / 3,469,556.12-5,206,217.08-1,447,976.70

Finding the Fourth Proportional to 3,469,556.12, 5,206,217.08 and 1,447,976.70

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Solution

The fourth proportional to 3,469,556.12, 5,206,217.08 and 1,447,976.70 is: 2,172,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,556.12 : 5,206,217.08 = 1,447,976.70 : x
  2. Step 2: Convert to fraction form
    3,469,556.12/5,206,217.08 = 1,447,976.70/x
  3. Step 3: Cross multiply
    3,469,556.12x = 5,206,217.08 × 1,447,976.70
  4. Step 4: Simplify right side
    3,469,556.12x = 7,538,481,019,742.15
  5. Step 5: Solve for x
    x = 7,538,481,019,742.15/3,469,556.12
  6. Step 6: Final answer
    x = 2,172,750.85

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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.