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Finding the Fourth Proportional to 2,383,840, 3,578,007.12 and 868,987

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Solution

The fourth proportional to 2,383,840, 3,578,007.12 and 868,987 is: 1,304,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383,840 : 3,578,007.12 = 868,987 : x
  2. Step 2: Convert to fraction form
    2,383,840/3,578,007.12 = 868,987/x
  3. Step 3: Cross multiply
    2,383,840x = 3,578,007.12 × 868,987
  4. Step 4: Simplify right side
    2,383,840x = 3,109,241,673,187.44
  5. Step 5: Solve for x
    x = 3,109,241,673,187.44/2,383,840
  6. Step 6: Final answer
    x = 1,304,299.65

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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.