Home / 2,821,171.20-4,232,378.88-927,836.16

Finding the Fourth Proportional to 2,821,171.20, 4,232,378.88 and 927,836.16

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Solution

The fourth proportional to 2,821,171.20, 4,232,378.88 and 927,836.16 is: 1,391,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,171.20 : 4,232,378.88 = 927,836.16 : x
  2. Step 2: Convert to fraction form
    2,821,171.20/4,232,378.88 = 927,836.16/x
  3. Step 3: Cross multiply
    2,821,171.20x = 4,232,378.88 × 927,836.16
  4. Step 4: Simplify right side
    2,821,171.20x = 3,926,954,167,684.30
  5. Step 5: Solve for x
    x = 3,926,954,167,684.30/2,821,171.20
  6. Step 6: Final answer
    x = 1,391,958.83

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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.