Home / 3,275,469.72-4,520,484.54-1,969,144.65

Finding the Fourth Proportional to 3,275,469.72, 4,520,484.54 and 1,969,144.65

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Solution

The fourth proportional to 3,275,469.72, 4,520,484.54 and 1,969,144.65 is: 2,717,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,469.72 : 4,520,484.54 = 1,969,144.65 : x
  2. Step 2: Convert to fraction form
    3,275,469.72/4,520,484.54 = 1,969,144.65/x
  3. Step 3: Cross multiply
    3,275,469.72x = 4,520,484.54 × 1,969,144.65
  4. Step 4: Simplify right side
    3,275,469.72x = 8,901,487,947,348.71
  5. Step 5: Solve for x
    x = 8,901,487,947,348.71/3,275,469.72
  6. Step 6: Final answer
    x = 2,717,621.81

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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.