Home / 3,100,420.20-4,640,132.70-2,722,506.60

Finding the Fourth Proportional to 3,100,420.20, 4,640,132.70 and 2,722,506.60

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Solution

The fourth proportional to 3,100,420.20, 4,640,132.70 and 2,722,506.60 is: 4,074,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,420.20 : 4,640,132.70 = 2,722,506.60 : x
  2. Step 2: Convert to fraction form
    3,100,420.20/4,640,132.70 = 2,722,506.60/x
  3. Step 3: Cross multiply
    3,100,420.20x = 4,640,132.70 × 2,722,506.60
  4. Step 4: Simplify right side
    3,100,420.20x = 12,632,791,900,625.82
  5. Step 5: Solve for x
    x = 12,632,791,900,625.82/3,100,420.20
  6. Step 6: Final answer
    x = 4,074,541.86

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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.