Home / 2,618,036.92-3,927,103.98-820,880.20

Finding the Fourth Proportional to 2,618,036.92, 3,927,103.98 and 820,880.20

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Solution

The fourth proportional to 2,618,036.92, 3,927,103.98 and 820,880.20 is: 1,231,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,036.92 : 3,927,103.98 = 820,880.20 : x
  2. Step 2: Convert to fraction form
    2,618,036.92/3,927,103.98 = 820,880.20/x
  3. Step 3: Cross multiply
    2,618,036.92x = 3,927,103.98 × 820,880.20
  4. Step 4: Simplify right side
    2,618,036.92x = 3,223,681,900,523.20
  5. Step 5: Solve for x
    x = 3,223,681,900,523.20/2,618,036.92
  6. Step 6: Final answer
    x = 1,231,335.54

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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.