Home / 2,080,440.23-3,121,001.89-641,123.89

Finding the Fourth Proportional to 2,080,440.23, 3,121,001.89 and 641,123.89

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Solution

The fourth proportional to 2,080,440.23, 3,121,001.89 and 641,123.89 is: 961,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,440.23 : 3,121,001.89 = 641,123.89 : x
  2. Step 2: Convert to fraction form
    2,080,440.23/3,121,001.89 = 641,123.89/x
  3. Step 3: Cross multiply
    2,080,440.23x = 3,121,001.89 × 641,123.89
  4. Step 4: Simplify right side
    2,080,440.23x = 2,000,948,863,008.84
  5. Step 5: Solve for x
    x = 2,000,948,863,008.84/2,080,440.23
  6. Step 6: Final answer
    x = 961,791.09

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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.