Home / 3,192,248.40-4,780,499.40-2,121,493.20

Finding the Fourth Proportional to 3,192,248.40, 4,780,499.40 and 2,121,493.20

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Solution

The fourth proportional to 3,192,248.40, 4,780,499.40 and 2,121,493.20 is: 3,177,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,248.40 : 4,780,499.40 = 2,121,493.20 : x
  2. Step 2: Convert to fraction form
    3,192,248.40/4,780,499.40 = 2,121,493.20/x
  3. Step 3: Cross multiply
    3,192,248.40x = 4,780,499.40 × 2,121,493.20
  4. Step 4: Simplify right side
    3,192,248.40x = 10,141,796,969,704.08
  5. Step 5: Solve for x
    x = 10,141,796,969,704.08/3,192,248.40
  6. Step 6: Final answer
    x = 3,177,007.46

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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.