Home / 2,080,808.70-3,120,565.05-819,023.10

Finding the Fourth Proportional to 2,080,808.70, 3,120,565.05 and 819,023.10

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Solution

The fourth proportional to 2,080,808.70, 3,120,565.05 and 819,023.10 is: 1,228,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,808.70 : 3,120,565.05 = 819,023.10 : x
  2. Step 2: Convert to fraction form
    2,080,808.70/3,120,565.05 = 819,023.10/x
  3. Step 3: Cross multiply
    2,080,808.70x = 3,120,565.05 × 819,023.10
  4. Step 4: Simplify right side
    2,080,808.70x = 2,555,814,861,002.65
  5. Step 5: Solve for x
    x = 2,555,814,861,002.65/2,080,808.70
  6. Step 6: Final answer
    x = 1,228,279.59

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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.