Home / 3,150,659.20-4,726,449.60-1,020,380.80

Finding the Fourth Proportional to 3,150,659.20, 4,726,449.60 and 1,020,380.80

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Solution

The fourth proportional to 3,150,659.20, 4,726,449.60 and 1,020,380.80 is: 1,530,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,659.20 : 4,726,449.60 = 1,020,380.80 : x
  2. Step 2: Convert to fraction form
    3,150,659.20/4,726,449.60 = 1,020,380.80/x
  3. Step 3: Cross multiply
    3,150,659.20x = 4,726,449.60 × 1,020,380.80
  4. Step 4: Simplify right side
    3,150,659.20x = 4,822,778,424,007.68
  5. Step 5: Solve for x
    x = 4,822,778,424,007.68/3,150,659.20
  6. Step 6: Final answer
    x = 1,530,720.44

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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.