Home / 3,879,452.20-5,818,819.26-1,829,642.74

Finding the Fourth Proportional to 3,879,452.20, 5,818,819.26 and 1,829,642.74

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Solution

The fourth proportional to 3,879,452.20, 5,818,819.26 and 1,829,642.74 is: 2,744,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,452.20 : 5,818,819.26 = 1,829,642.74 : x
  2. Step 2: Convert to fraction form
    3,879,452.20/5,818,819.26 = 1,829,642.74/x
  3. Step 3: Cross multiply
    3,879,452.20x = 5,818,819.26 × 1,829,642.74
  4. Step 4: Simplify right side
    3,879,452.20x = 10,646,360,414,431.17
  5. Step 5: Solve for x
    x = 10,646,360,414,431.17/3,879,452.20
  6. Step 6: Final answer
    x = 2,744,294.78

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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.