Home / 2,270,191.78-3,405,287.67-2,156,671.90

Finding the Fourth Proportional to 2,270,191.78, 3,405,287.67 and 2,156,671.90

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Solution

The fourth proportional to 2,270,191.78, 3,405,287.67 and 2,156,671.90 is: 3,235,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,191.78 : 3,405,287.67 = 2,156,671.90 : x
  2. Step 2: Convert to fraction form
    2,270,191.78/3,405,287.67 = 2,156,671.90/x
  3. Step 3: Cross multiply
    2,270,191.78x = 3,405,287.67 × 2,156,671.90
  4. Step 4: Simplify right side
    2,270,191.78x = 7,344,088,229,305.47
  5. Step 5: Solve for x
    x = 7,344,088,229,305.47/2,270,191.78
  6. Step 6: Final answer
    x = 3,235,007.85

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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.