Home / 3,100,707.60-4,640,002.20-2,149,616.40

Finding the Fourth Proportional to 3,100,707.60, 4,640,002.20 and 2,149,616.40

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Solution

The fourth proportional to 3,100,707.60, 4,640,002.20 and 2,149,616.40 is: 3,216,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,707.60 : 4,640,002.20 = 2,149,616.40 : x
  2. Step 2: Convert to fraction form
    3,100,707.60/4,640,002.20 = 2,149,616.40/x
  3. Step 3: Cross multiply
    3,100,707.60x = 4,640,002.20 × 2,149,616.40
  4. Step 4: Simplify right side
    3,100,707.60x = 9,974,224,825,156.08
  5. Step 5: Solve for x
    x = 9,974,224,825,156.08/3,100,707.60
  6. Step 6: Final answer
    x = 3,216,757.63

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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.