Home / 2,080,439.85-3,121,001.33-641,123.51

Finding the Fourth Proportional to 2,080,439.85, 3,121,001.33 and 641,123.51

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Solution

The fourth proportional to 2,080,439.85, 3,121,001.33 and 641,123.51 is: 961,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,439.85 : 3,121,001.33 = 641,123.51 : x
  2. Step 2: Convert to fraction form
    2,080,439.85/3,121,001.33 = 641,123.51/x
  3. Step 3: Cross multiply
    2,080,439.85x = 3,121,001.33 × 641,123.51
  4. Step 4: Simplify right side
    2,080,439.85x = 2,000,947,308,593.64
  5. Step 5: Solve for x
    x = 2,000,947,308,593.64/2,080,439.85
  6. Step 6: Final answer
    x = 961,790.51

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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.