Home / 2,100,083.16-3,149,972.37-820,450.38

Finding the Fourth Proportional to 2,100,083.16, 3,149,972.37 and 820,450.38

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Solution

The fourth proportional to 2,100,083.16, 3,149,972.37 and 820,450.38 is: 1,230,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,083.16 : 3,149,972.37 = 820,450.38 : x
  2. Step 2: Convert to fraction form
    2,100,083.16/3,149,972.37 = 820,450.38/x
  3. Step 3: Cross multiply
    2,100,083.16x = 3,149,972.37 × 820,450.38
  4. Step 4: Simplify right side
    2,100,083.16x = 2,584,396,027,956.00
  5. Step 5: Solve for x
    x = 2,584,396,027,956.00/2,100,083.16
  6. Step 6: Final answer
    x = 1,230,616.04

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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.