Home / 2,092,587-3,138,083.78-1,239,899.28

Finding the Fourth Proportional to 2,092,587, 3,138,083.78 and 1,239,899.28

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Solution

The fourth proportional to 2,092,587, 3,138,083.78 and 1,239,899.28 is: 1,859,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,587 : 3,138,083.78 = 1,239,899.28 : x
  2. Step 2: Convert to fraction form
    2,092,587/3,138,083.78 = 1,239,899.28/x
  3. Step 3: Cross multiply
    2,092,587x = 3,138,083.78 × 1,239,899.28
  4. Step 4: Simplify right side
    2,092,587x = 3,890,907,819,401.68
  5. Step 5: Solve for x
    x = 3,890,907,819,401.68/2,092,587
  6. Step 6: Final answer
    x = 1,859,376.85

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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.