Home / 2,618,037.92-3,927,105.48-820,881.20

Finding the Fourth Proportional to 2,618,037.92, 3,927,105.48 and 820,881.20

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Solution

The fourth proportional to 2,618,037.92, 3,927,105.48 and 820,881.20 is: 1,231,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,037.92 : 3,927,105.48 = 820,881.20 : x
  2. Step 2: Convert to fraction form
    2,618,037.92/3,927,105.48 = 820,881.20/x
  3. Step 3: Cross multiply
    2,618,037.92x = 3,927,105.48 × 820,881.20
  4. Step 4: Simplify right side
    2,618,037.92x = 3,223,687,058,948.98
  5. Step 5: Solve for x
    x = 3,223,687,058,948.98/2,618,037.92
  6. Step 6: Final answer
    x = 1,231,337.04

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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.