Home / 2,619,992.85-3,929,989.29-726,734.28

Finding the Fourth Proportional to 2,619,992.85, 3,929,989.29 and 726,734.28

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Solution

The fourth proportional to 2,619,992.85, 3,929,989.29 and 726,734.28 is: 1,090,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,992.85 : 3,929,989.29 = 726,734.28 : x
  2. Step 2: Convert to fraction form
    2,619,992.85/3,929,989.29 = 726,734.28/x
  3. Step 3: Cross multiply
    2,619,992.85x = 3,929,989.29 × 726,734.28
  4. Step 4: Simplify right side
    2,619,992.85x = 2,856,057,937,075.86
  5. Step 5: Solve for x
    x = 2,856,057,937,075.86/2,619,992.85
  6. Step 6: Final answer
    x = 1,090,101.42

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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.