Home / 1,665,361.12-2,498,037.84-1,286,832.16

Finding the Fourth Proportional to 1,665,361.12, 2,498,037.84 and 1,286,832.16

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Solution

The fourth proportional to 1,665,361.12, 2,498,037.84 and 1,286,832.16 is: 1,930,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,361.12 : 2,498,037.84 = 1,286,832.16 : x
  2. Step 2: Convert to fraction form
    1,665,361.12/2,498,037.84 = 1,286,832.16/x
  3. Step 3: Cross multiply
    1,665,361.12x = 2,498,037.84 × 1,286,832.16
  4. Step 4: Simplify right side
    1,665,361.12x = 3,214,555,429,408.93
  5. Step 5: Solve for x
    x = 3,214,555,429,408.93/1,665,361.12
  6. Step 6: Final answer
    x = 1,930,245.27

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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.