Home / 2,189,618.40-3,286,885.20-1,693,183.20

Finding the Fourth Proportional to 2,189,618.40, 3,286,885.20 and 1,693,183.20

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Solution

The fourth proportional to 2,189,618.40, 3,286,885.20 and 1,693,183.20 is: 2,541,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,618.40 : 3,286,885.20 = 1,693,183.20 : x
  2. Step 2: Convert to fraction form
    2,189,618.40/3,286,885.20 = 1,693,183.20/x
  3. Step 3: Cross multiply
    2,189,618.40x = 3,286,885.20 × 1,693,183.20
  4. Step 4: Simplify right side
    2,189,618.40x = 5,565,298,800,968.64
  5. Step 5: Solve for x
    x = 5,565,298,800,968.64/2,189,618.40
  6. Step 6: Final answer
    x = 2,541,675.21

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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.