Home / 3,172,520.22-4,378,085.91-1,722,218.46

Finding the Fourth Proportional to 3,172,520.22, 4,378,085.91 and 1,722,218.46

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Solution

The fourth proportional to 3,172,520.22, 4,378,085.91 and 1,722,218.46 is: 2,376,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,520.22 : 4,378,085.91 = 1,722,218.46 : x
  2. Step 2: Convert to fraction form
    3,172,520.22/4,378,085.91 = 1,722,218.46/x
  3. Step 3: Cross multiply
    3,172,520.22x = 4,378,085.91 × 1,722,218.46
  4. Step 4: Simplify right side
    3,172,520.22x = 7,540,020,373,667.90
  5. Step 5: Solve for x
    x = 7,540,020,373,667.90/3,172,520.22
  6. Step 6: Final answer
    x = 2,376,665.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.