Home / 3,428,992.20-5,139,887.75-1,153,726.71

Finding the Fourth Proportional to 3,428,992.20, 5,139,887.75 and 1,153,726.71

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Solution

The fourth proportional to 3,428,992.20, 5,139,887.75 and 1,153,726.71 is: 1,729,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,992.20 : 5,139,887.75 = 1,153,726.71 : x
  2. Step 2: Convert to fraction form
    3,428,992.20/5,139,887.75 = 1,153,726.71/x
  3. Step 3: Cross multiply
    3,428,992.20x = 5,139,887.75 × 1,153,726.71
  4. Step 4: Simplify right side
    3,428,992.20x = 5,930,025,777,808.17
  5. Step 5: Solve for x
    x = 5,930,025,777,808.17/3,428,992.20
  6. Step 6: Final answer
    x = 1,729,378.61

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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.