Home / 3,650,691.92-5,037,811.08-2,018,991.44

Finding the Fourth Proportional to 3,650,691.92, 5,037,811.08 and 2,018,991.44

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Solution

The fourth proportional to 3,650,691.92, 5,037,811.08 and 2,018,991.44 is: 2,786,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650,691.92 : 5,037,811.08 = 2,018,991.44 : x
  2. Step 2: Convert to fraction form
    3,650,691.92/5,037,811.08 = 2,018,991.44/x
  3. Step 3: Cross multiply
    3,650,691.92x = 5,037,811.08 × 2,018,991.44
  4. Step 4: Simplify right side
    3,650,691.92x = 10,171,297,446,857.15
  5. Step 5: Solve for x
    x = 10,171,297,446,857.15/3,650,691.92
  6. Step 6: Final answer
    x = 2,786,128.68

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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.