Home / 2,755,702.71-4,131,323.51-861,469.11

Finding the Fourth Proportional to 2,755,702.71, 4,131,323.51 and 861,469.11

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Solution

The fourth proportional to 2,755,702.71, 4,131,323.51 and 861,469.11 is: 1,291,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,702.71 : 4,131,323.51 = 861,469.11 : x
  2. Step 2: Convert to fraction form
    2,755,702.71/4,131,323.51 = 861,469.11/x
  3. Step 3: Cross multiply
    2,755,702.71x = 4,131,323.51 × 861,469.11
  4. Step 4: Simplify right side
    2,755,702.71x = 3,559,007,582,974.43
  5. Step 5: Solve for x
    x = 3,559,007,582,974.43/2,755,702.71
  6. Step 6: Final answer
    x = 1,291,506.36

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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.