Home / 2,617,209.46-3,925,815.56-820,232.89

Finding the Fourth Proportional to 2,617,209.46, 3,925,815.56 and 820,232.89

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Solution

The fourth proportional to 2,617,209.46, 3,925,815.56 and 820,232.89 is: 1,230,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,209.46 : 3,925,815.56 = 820,232.89 : x
  2. Step 2: Convert to fraction form
    2,617,209.46/3,925,815.56 = 820,232.89/x
  3. Step 3: Cross multiply
    2,617,209.46x = 3,925,815.56 × 820,232.89
  4. Step 4: Simplify right side
    2,617,209.46x = 3,220,083,028,470.07
  5. Step 5: Solve for x
    x = 3,220,083,028,470.07/2,617,209.46
  6. Step 6: Final answer
    x = 1,230,349.76

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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.