Home / 2,509,115.88-3,763,676.82-687,496.38

Finding the Fourth Proportional to 2,509,115.88, 3,763,676.82 and 687,496.38

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Solution

The fourth proportional to 2,509,115.88, 3,763,676.82 and 687,496.38 is: 1,031,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,115.88 : 3,763,676.82 = 687,496.38 : x
  2. Step 2: Convert to fraction form
    2,509,115.88/3,763,676.82 = 687,496.38/x
  3. Step 3: Cross multiply
    2,509,115.88x = 3,763,676.82 × 687,496.38
  4. Step 4: Simplify right side
    2,509,115.88x = 2,587,514,189,239.91
  5. Step 5: Solve for x
    x = 2,587,514,189,239.91/2,509,115.88
  6. Step 6: Final answer
    x = 1,031,245.39

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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.