Home / 3,288,446.20-4,928,003.70-2,428,809.40

Finding the Fourth Proportional to 3,288,446.20, 4,928,003.70 and 2,428,809.40

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Solution

The fourth proportional to 3,288,446.20, 4,928,003.70 and 2,428,809.40 is: 3,639,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,446.20 : 4,928,003.70 = 2,428,809.40 : x
  2. Step 2: Convert to fraction form
    3,288,446.20/4,928,003.70 = 2,428,809.40/x
  3. Step 3: Cross multiply
    3,288,446.20x = 4,928,003.70 × 2,428,809.40
  4. Step 4: Simplify right side
    3,288,446.20x = 11,969,181,709,794.78
  5. Step 5: Solve for x
    x = 11,969,181,709,794.78/3,288,446.20
  6. Step 6: Final answer
    x = 3,639,768.14

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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.