Home / 3,855,105.20-5,777,128.20-2,836,276.40

Finding the Fourth Proportional to 3,855,105.20, 5,777,128.20 and 2,836,276.40

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Solution

The fourth proportional to 3,855,105.20, 5,777,128.20 and 2,836,276.40 is: 4,250,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,105.20 : 5,777,128.20 = 2,836,276.40 : x
  2. Step 2: Convert to fraction form
    3,855,105.20/5,777,128.20 = 2,836,276.40/x
  3. Step 3: Cross multiply
    3,855,105.20x = 5,777,128.20 × 2,836,276.40
  4. Step 4: Simplify right side
    3,855,105.20x = 16,385,532,373,434.48
  5. Step 5: Solve for x
    x = 16,385,532,373,434.48/3,855,105.20
  6. Step 6: Final answer
    x = 4,250,346.36

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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.