Home / 2,282,018.12-3,418,105.96-2,147,871.68

Finding the Fourth Proportional to 2,282,018.12, 3,418,105.96 and 2,147,871.68

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Solution

The fourth proportional to 2,282,018.12, 3,418,105.96 and 2,147,871.68 is: 3,217,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282,018.12 : 3,418,105.96 = 2,147,871.68 : x
  2. Step 2: Convert to fraction form
    2,282,018.12/3,418,105.96 = 2,147,871.68/x
  3. Step 3: Cross multiply
    2,282,018.12x = 3,418,105.96 × 2,147,871.68
  4. Step 4: Simplify right side
    2,282,018.12x = 7,341,652,990,723.21
  5. Step 5: Solve for x
    x = 7,341,652,990,723.21/2,282,018.12
  6. Step 6: Final answer
    x = 3,217,175.59

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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.