Home / 2,278,660.72-3,420,045.48-1,214,589.04

Finding the Fourth Proportional to 2,278,660.72, 3,420,045.48 and 1,214,589.04

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Solution

The fourth proportional to 2,278,660.72, 3,420,045.48 and 1,214,589.04 is: 1,822,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,660.72 : 3,420,045.48 = 1,214,589.04 : x
  2. Step 2: Convert to fraction form
    2,278,660.72/3,420,045.48 = 1,214,589.04/x
  3. Step 3: Cross multiply
    2,278,660.72x = 3,420,045.48 × 1,214,589.04
  4. Step 4: Simplify right side
    2,278,660.72x = 4,153,949,756,309.54
  5. Step 5: Solve for x
    x = 4,153,949,756,309.54/2,278,660.72
  6. Step 6: Final answer
    x = 1,822,978.61

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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.