Home / 3,100,707.10-4,640,001.45-2,149,615.90

Finding the Fourth Proportional to 3,100,707.10, 4,640,001.45 and 2,149,615.90

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Solution

The fourth proportional to 3,100,707.10, 4,640,001.45 and 2,149,615.90 is: 3,216,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,707.10 : 4,640,001.45 = 2,149,615.90 : x
  2. Step 2: Convert to fraction form
    3,100,707.10/4,640,001.45 = 2,149,615.90/x
  3. Step 3: Cross multiply
    3,100,707.10x = 4,640,001.45 × 2,149,615.90
  4. Step 4: Simplify right side
    3,100,707.10x = 9,974,220,892,943.06
  5. Step 5: Solve for x
    x = 9,974,220,892,943.06/3,100,707.10
  6. Step 6: Final answer
    x = 3,216,756.88

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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.