Home / 2,619,988.08-3,929,982.12-726,729.52

Finding the Fourth Proportional to 2,619,988.08, 3,929,982.12 and 726,729.52

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Solution

The fourth proportional to 2,619,988.08, 3,929,982.12 and 726,729.52 is: 1,090,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,988.08 : 3,929,982.12 = 726,729.52 : x
  2. Step 2: Convert to fraction form
    2,619,988.08/3,929,982.12 = 726,729.52/x
  3. Step 3: Cross multiply
    2,619,988.08x = 3,929,982.12 × 726,729.52
  4. Step 4: Simplify right side
    2,619,988.08x = 2,856,034,000,026.27
  5. Step 5: Solve for x
    x = 2,856,034,000,026.27/2,619,988.08
  6. Step 6: Final answer
    x = 1,090,094.27

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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.