Home / 3,153,134.79-4,729,702.19-756,979.43

Finding the Fourth Proportional to 3,153,134.79, 4,729,702.19 and 756,979.43

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Solution

The fourth proportional to 3,153,134.79, 4,729,702.19 and 756,979.43 is: 1,135,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,134.79 : 4,729,702.19 = 756,979.43 : x
  2. Step 2: Convert to fraction form
    3,153,134.79/4,729,702.19 = 756,979.43/x
  3. Step 3: Cross multiply
    3,153,134.79x = 4,729,702.19 × 756,979.43
  4. Step 4: Simplify right side
    3,153,134.79x = 3,580,287,240,422.54
  5. Step 5: Solve for x
    x = 3,580,287,240,422.54/3,153,134.79
  6. Step 6: Final answer
    x = 1,135,469.14

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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.