Home / 3,129,946.20-4,694,919.30-1,235,712.60

Finding the Fourth Proportional to 3,129,946.20, 4,694,919.30 and 1,235,712.60

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Solution

The fourth proportional to 3,129,946.20, 4,694,919.30 and 1,235,712.60 is: 1,853,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,946.20 : 4,694,919.30 = 1,235,712.60 : x
  2. Step 2: Convert to fraction form
    3,129,946.20/4,694,919.30 = 1,235,712.60/x
  3. Step 3: Cross multiply
    3,129,946.20x = 4,694,919.30 × 1,235,712.60
  4. Step 4: Simplify right side
    3,129,946.20x = 5,801,570,934,993.18
  5. Step 5: Solve for x
    x = 5,801,570,934,993.18/3,129,946.20
  6. Step 6: Final answer
    x = 1,853,568.90

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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.