Home / 3,120,204.20-4,680,306.30-2,174,642.60

Finding the Fourth Proportional to 3,120,204.20, 4,680,306.30 and 2,174,642.60

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Solution

The fourth proportional to 3,120,204.20, 4,680,306.30 and 2,174,642.60 is: 3,261,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,204.20 : 4,680,306.30 = 2,174,642.60 : x
  2. Step 2: Convert to fraction form
    3,120,204.20/4,680,306.30 = 2,174,642.60/x
  3. Step 3: Cross multiply
    3,120,204.20x = 4,680,306.30 × 2,174,642.60
  4. Step 4: Simplify right side
    3,120,204.20x = 10,177,993,461,028.38
  5. Step 5: Solve for x
    x = 10,177,993,461,028.38/3,120,204.20
  6. Step 6: Final answer
    x = 3,261,963.90

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1.5x scale

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.