Home / 2,617,783.92-3,926,724.48-820,627.20

Finding the Fourth Proportional to 2,617,783.92, 3,926,724.48 and 820,627.20

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Solution

The fourth proportional to 2,617,783.92, 3,926,724.48 and 820,627.20 is: 1,230,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,783.92 : 3,926,724.48 = 820,627.20 : x
  2. Step 2: Convert to fraction form
    2,617,783.92/3,926,724.48 = 820,627.20/x
  3. Step 3: Cross multiply
    2,617,783.92x = 3,926,724.48 × 820,627.20
  4. Step 4: Simplify right side
    2,617,783.92x = 3,222,376,915,193.86
  5. Step 5: Solve for x
    x = 3,222,376,915,193.86/2,617,783.92
  6. Step 6: Final answer
    x = 1,230,956.04

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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.