Home / 2,086,860.76-3,131,358.66-993,882.88

Finding the Fourth Proportional to 2,086,860.76, 3,131,358.66 and 993,882.88

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Solution

The fourth proportional to 2,086,860.76, 3,131,358.66 and 993,882.88 is: 1,491,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,860.76 : 3,131,358.66 = 993,882.88 : x
  2. Step 2: Convert to fraction form
    2,086,860.76/3,131,358.66 = 993,882.88/x
  3. Step 3: Cross multiply
    2,086,860.76x = 3,131,358.66 × 993,882.88
  4. Step 4: Simplify right side
    2,086,860.76x = 3,112,203,763,313.74
  5. Step 5: Solve for x
    x = 3,112,203,763,313.74/2,086,860.76
  6. Step 6: Final answer
    x = 1,491,332.73

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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.