Home / 3,100,311.20-4,650,612.60-970,464.80

Finding the Fourth Proportional to 3,100,311.20, 4,650,612.60 and 970,464.80

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Solution

The fourth proportional to 3,100,311.20, 4,650,612.60 and 970,464.80 is: 1,455,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,311.20 : 4,650,612.60 = 970,464.80 : x
  2. Step 2: Convert to fraction form
    3,100,311.20/4,650,612.60 = 970,464.80/x
  3. Step 3: Cross multiply
    3,100,311.20x = 4,650,612.60 × 970,464.80
  4. Step 4: Simplify right side
    3,100,311.20x = 4,513,255,826,736.48
  5. Step 5: Solve for x
    x = 4,513,255,826,736.48/3,100,311.20
  6. Step 6: Final answer
    x = 1,455,742.84

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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.