Home / 2,620,834.20-3,931,251.30-1,555,327.80

Finding the Fourth Proportional to 2,620,834.20, 3,931,251.30 and 1,555,327.80

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Solution

The fourth proportional to 2,620,834.20, 3,931,251.30 and 1,555,327.80 is: 2,332,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,834.20 : 3,931,251.30 = 1,555,327.80 : x
  2. Step 2: Convert to fraction form
    2,620,834.20/3,931,251.30 = 1,555,327.80/x
  3. Step 3: Cross multiply
    2,620,834.20x = 3,931,251.30 × 1,555,327.80
  4. Step 4: Simplify right side
    2,620,834.20x = 6,114,384,435,676.14
  5. Step 5: Solve for x
    x = 6,114,384,435,676.14/2,620,834.20
  6. Step 6: Final answer
    x = 2,332,991.70

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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.