Home / 3,188,908.20-4,778,037.90-2,240,581.80

Finding the Fourth Proportional to 3,188,908.20, 4,778,037.90 and 2,240,581.80

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Solution

The fourth proportional to 3,188,908.20, 4,778,037.90 and 2,240,581.80 is: 3,357,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,908.20 : 4,778,037.90 = 2,240,581.80 : x
  2. Step 2: Convert to fraction form
    3,188,908.20/4,778,037.90 = 2,240,581.80/x
  3. Step 3: Cross multiply
    3,188,908.20x = 4,778,037.90 × 2,240,581.80
  4. Step 4: Simplify right side
    3,188,908.20x = 10,705,584,758,450.22
  5. Step 5: Solve for x
    x = 10,705,584,758,450.22/3,188,908.20
  6. Step 6: Final answer
    x = 3,357,131.68

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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.