Home / 3,740,879.27-5,162,410.30-2,021,999.78

Finding the Fourth Proportional to 3,740,879.27, 5,162,410.30 and 2,021,999.78

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Solution

The fourth proportional to 3,740,879.27, 5,162,410.30 and 2,021,999.78 is: 2,790,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,879.27 : 5,162,410.30 = 2,021,999.78 : x
  2. Step 2: Convert to fraction form
    3,740,879.27/5,162,410.30 = 2,021,999.78/x
  3. Step 3: Cross multiply
    3,740,879.27x = 5,162,410.30 × 2,021,999.78
  4. Step 4: Simplify right side
    3,740,879.27x = 10,438,392,490,869.73
  5. Step 5: Solve for x
    x = 10,438,392,490,869.73/3,740,879.27
  6. Step 6: Final answer
    x = 2,790,358.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.