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Finding the Fourth Proportional to 2,265,829.44, 3,398,744.29 and 769,921.44

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Solution

The fourth proportional to 2,265,829.44, 3,398,744.29 and 769,921.44 is: 1,154,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,829.44 : 3,398,744.29 = 769,921.44 : x
  2. Step 2: Convert to fraction form
    2,265,829.44/3,398,744.29 = 769,921.44/x
  3. Step 3: Cross multiply
    2,265,829.44x = 3,398,744.29 × 769,921.44
  4. Step 4: Simplify right side
    2,265,829.44x = 2,616,766,097,948.58
  5. Step 5: Solve for x
    x = 2,616,766,097,948.58/2,265,829.44
  6. Step 6: Final answer
    x = 1,154,882.20

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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.