Home / 2,887,506.39-4,331,247.78-728,536.56

Finding the Fourth Proportional to 2,887,506.39, 4,331,247.78 and 728,536.56

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Solution

The fourth proportional to 2,887,506.39, 4,331,247.78 and 728,536.56 is: 1,092,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,506.39 : 4,331,247.78 = 728,536.56 : x
  2. Step 2: Convert to fraction form
    2,887,506.39/4,331,247.78 = 728,536.56/x
  3. Step 3: Cross multiply
    2,887,506.39x = 4,331,247.78 × 728,536.56
  4. Step 4: Simplify right side
    2,887,506.39x = 3,155,472,358,148.84
  5. Step 5: Solve for x
    x = 3,155,472,358,148.84/2,887,506.39
  6. Step 6: Final answer
    x = 1,092,801.86

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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.