Home / 5,479,380.23-8,219,125.83-2,446,900.61

Finding the Fourth Proportional to 5,479,380.23, 8,219,125.83 and 2,446,900.61

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Solution

The fourth proportional to 5,479,380.23, 8,219,125.83 and 2,446,900.61 is: 3,670,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,380.23 : 8,219,125.83 = 2,446,900.61 : x
  2. Step 2: Convert to fraction form
    5,479,380.23/8,219,125.83 = 2,446,900.61/x
  3. Step 3: Cross multiply
    5,479,380.23x = 8,219,125.83 × 2,446,900.61
  4. Step 4: Simplify right side
    5,479,380.23x = 20,111,384,007,093.75
  5. Step 5: Solve for x
    x = 20,111,384,007,093.75/5,479,380.23
  6. Step 6: Final answer
    x = 3,670,375.69

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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.