Home / 2,619,991.45-3,929,987.18-726,732.89

Finding the Fourth Proportional to 2,619,991.45, 3,929,987.18 and 726,732.89

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Solution

The fourth proportional to 2,619,991.45, 3,929,987.18 and 726,732.89 is: 1,090,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,991.45 : 3,929,987.18 = 726,732.89 : x
  2. Step 2: Convert to fraction form
    2,619,991.45/3,929,987.18 = 726,732.89/x
  3. Step 3: Cross multiply
    2,619,991.45x = 3,929,987.18 × 726,732.89
  4. Step 4: Simplify right side
    2,619,991.45x = 2,856,050,940,984.35
  5. Step 5: Solve for x
    x = 2,856,050,940,984.35/2,619,991.45
  6. Step 6: Final answer
    x = 1,090,099.34

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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.