Home / 3,192,245.40-4,780,494.90-2,121,490.20

Finding the Fourth Proportional to 3,192,245.40, 4,780,494.90 and 2,121,490.20

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Solution

The fourth proportional to 3,192,245.40, 4,780,494.90 and 2,121,490.20 is: 3,177,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,245.40 : 4,780,494.90 = 2,121,490.20 : x
  2. Step 2: Convert to fraction form
    3,192,245.40/4,780,494.90 = 2,121,490.20/x
  3. Step 3: Cross multiply
    3,192,245.40x = 4,780,494.90 × 2,121,490.20
  4. Step 4: Simplify right side
    3,192,245.40x = 10,141,773,081,499.98
  5. Step 5: Solve for x
    x = 10,141,773,081,499.98/3,192,245.40
  6. Step 6: Final answer
    x = 3,177,002.96

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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.