Home / 2,083,077.28-3,121,778.28-1,273,745.13

Finding the Fourth Proportional to 2,083,077.28, 3,121,778.28 and 1,273,745.13

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Solution

The fourth proportional to 2,083,077.28, 3,121,778.28 and 1,273,745.13 is: 1,908,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,077.28 : 3,121,778.28 = 1,273,745.13 : x
  2. Step 2: Convert to fraction form
    2,083,077.28/3,121,778.28 = 1,273,745.13/x
  3. Step 3: Cross multiply
    2,083,077.28x = 3,121,778.28 × 1,273,745.13
  4. Step 4: Simplify right side
    2,083,077.28x = 3,976,349,881,089.78
  5. Step 5: Solve for x
    x = 3,976,349,881,089.78/2,083,077.28
  6. Step 6: Final answer
    x = 1,908,882.56

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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.