Home / 2,228,262.72-3,339,128.16-1,384,255.68

Finding the Fourth Proportional to 2,228,262.72, 3,339,128.16 and 1,384,255.68

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Solution

The fourth proportional to 2,228,262.72, 3,339,128.16 and 1,384,255.68 is: 2,074,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,262.72 : 3,339,128.16 = 1,384,255.68 : x
  2. Step 2: Convert to fraction form
    2,228,262.72/3,339,128.16 = 1,384,255.68/x
  3. Step 3: Cross multiply
    2,228,262.72x = 3,339,128.16 × 1,384,255.68
  4. Step 4: Simplify right side
    2,228,262.72x = 4,622,207,121,727.95
  5. Step 5: Solve for x
    x = 4,622,207,121,727.95/2,228,262.72
  6. Step 6: Final answer
    x = 2,074,354.64

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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.