Home / 6,180,400.80-9,270,601.20-3,912,919.20

Finding the Fourth Proportional to 6,180,400.80, 9,270,601.20 and 3,912,919.20

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Solution

The fourth proportional to 6,180,400.80, 9,270,601.20 and 3,912,919.20 is: 5,869,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180,400.80 : 9,270,601.20 = 3,912,919.20 : x
  2. Step 2: Convert to fraction form
    6,180,400.80/9,270,601.20 = 3,912,919.20/x
  3. Step 3: Cross multiply
    6,180,400.80x = 9,270,601.20 × 3,912,919.20
  4. Step 4: Simplify right side
    6,180,400.80x = 36,275,113,431,023.04
  5. Step 5: Solve for x
    x = 36,275,113,431,023.04/6,180,400.80
  6. Step 6: Final answer
    x = 5,869,378.80

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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.