Home / 3,972,869.40-5,959,358.78-1,132,981.86

Finding the Fourth Proportional to 3,972,869.40, 5,959,358.78 and 1,132,981.86

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Solution

The fourth proportional to 3,972,869.40, 5,959,358.78 and 1,132,981.86 is: 1,699,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,869.40 : 5,959,358.78 = 1,132,981.86 : x
  2. Step 2: Convert to fraction form
    3,972,869.40/5,959,358.78 = 1,132,981.86/x
  3. Step 3: Cross multiply
    3,972,869.40x = 5,959,358.78 × 1,132,981.86
  4. Step 4: Simplify right side
    3,972,869.40x = 6,751,845,389,306.82
  5. Step 5: Solve for x
    x = 6,751,845,389,306.82/3,972,869.40
  6. Step 6: Final answer
    x = 1,699,488.38

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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.