Home / 3,180,230.06-4,767,836.22-1,581,920.78

Finding the Fourth Proportional to 3,180,230.06, 4,767,836.22 and 1,581,920.78

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Solution

The fourth proportional to 3,180,230.06, 4,767,836.22 and 1,581,920.78 is: 2,371,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,230.06 : 4,767,836.22 = 1,581,920.78 : x
  2. Step 2: Convert to fraction form
    3,180,230.06/4,767,836.22 = 1,581,920.78/x
  3. Step 3: Cross multiply
    3,180,230.06x = 4,767,836.22 × 1,581,920.78
  4. Step 4: Simplify right side
    3,180,230.06x = 7,542,339,168,215.47
  5. Step 5: Solve for x
    x = 7,542,339,168,215.47/3,180,230.06
  6. Step 6: Final answer
    x = 2,371,633.20

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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.