Home / 3,078,126.36-4,247,793.66-1,720,002.52

Finding the Fourth Proportional to 3,078,126.36, 4,247,793.66 and 1,720,002.52

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Solution

The fourth proportional to 3,078,126.36, 4,247,793.66 and 1,720,002.52 is: 2,373,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,126.36 : 4,247,793.66 = 1,720,002.52 : x
  2. Step 2: Convert to fraction form
    3,078,126.36/4,247,793.66 = 1,720,002.52/x
  3. Step 3: Cross multiply
    3,078,126.36x = 4,247,793.66 × 1,720,002.52
  4. Step 4: Simplify right side
    3,078,126.36x = 7,306,215,799,640.02
  5. Step 5: Solve for x
    x = 7,306,215,799,640.02/3,078,126.36
  6. Step 6: Final answer
    x = 2,373,591.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.