Home / 3,187,220.29-4,397,115.48-1,961,397.65

Finding the Fourth Proportional to 3,187,220.29, 4,397,115.48 and 1,961,397.65

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Solution

The fourth proportional to 3,187,220.29, 4,397,115.48 and 1,961,397.65 is: 2,705,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,220.29 : 4,397,115.48 = 1,961,397.65 : x
  2. Step 2: Convert to fraction form
    3,187,220.29/4,397,115.48 = 1,961,397.65/x
  3. Step 3: Cross multiply
    3,187,220.29x = 4,397,115.48 × 1,961,397.65
  4. Step 4: Simplify right side
    3,187,220.29x = 8,624,491,969,250.62
  5. Step 5: Solve for x
    x = 8,624,491,969,250.62/3,187,220.29
  6. Step 6: Final answer
    x = 2,705,960.42

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Double scale
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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.