Home / 5,143,453.38-7,715,500.83-1,356,939.90

Finding the Fourth Proportional to 5,143,453.38, 7,715,500.83 and 1,356,939.90

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Solution

The fourth proportional to 5,143,453.38, 7,715,500.83 and 1,356,939.90 is: 2,035,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,453.38 : 7,715,500.83 = 1,356,939.90 : x
  2. Step 2: Convert to fraction form
    5,143,453.38/7,715,500.83 = 1,356,939.90/x
  3. Step 3: Cross multiply
    5,143,453.38x = 7,715,500.83 × 1,356,939.90
  4. Step 4: Simplify right side
    5,143,453.38x = 10,469,470,924,710.12
  5. Step 5: Solve for x
    x = 10,469,470,924,710.12/5,143,453.38
  6. Step 6: Final answer
    x = 2,035,494.47

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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.