Home / 2,600,126.60-3,899,427.17-979,726.38

Finding the Fourth Proportional to 2,600,126.60, 3,899,427.17 and 979,726.38

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Solution

The fourth proportional to 2,600,126.60, 3,899,427.17 and 979,726.38 is: 1,469,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,126.60 : 3,899,427.17 = 979,726.38 : x
  2. Step 2: Convert to fraction form
    2,600,126.60/3,899,427.17 = 979,726.38/x
  3. Step 3: Cross multiply
    2,600,126.60x = 3,899,427.17 × 979,726.38
  4. Step 4: Simplify right side
    2,600,126.60x = 3,820,371,660,439.11
  5. Step 5: Solve for x
    x = 3,820,371,660,439.11/2,600,126.60
  6. Step 6: Final answer
    x = 1,469,302.17

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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.