Home / 2,125,877.73-3,187,321.44-987,431.22

Finding the Fourth Proportional to 2,125,877.73, 3,187,321.44 and 987,431.22

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Solution

The fourth proportional to 2,125,877.73, 3,187,321.44 and 987,431.22 is: 1,480,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,877.73 : 3,187,321.44 = 987,431.22 : x
  2. Step 2: Convert to fraction form
    2,125,877.73/3,187,321.44 = 987,431.22/x
  3. Step 3: Cross multiply
    2,125,877.73x = 3,187,321.44 × 987,431.22
  4. Step 4: Simplify right side
    2,125,877.73x = 3,147,260,698,031.36
  5. Step 5: Solve for x
    x = 3,147,260,698,031.36/2,125,877.73
  6. Step 6: Final answer
    x = 1,480,452.36

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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.