Home / 2,189,018.40-3,283,855.92-768,824.16

Finding the Fourth Proportional to 2,189,018.40, 3,283,855.92 and 768,824.16

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Solution

The fourth proportional to 2,189,018.40, 3,283,855.92 and 768,824.16 is: 1,153,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,018.40 : 3,283,855.92 = 768,824.16 : x
  2. Step 2: Convert to fraction form
    2,189,018.40/3,283,855.92 = 768,824.16/x
  3. Step 3: Cross multiply
    2,189,018.40x = 3,283,855.92 × 768,824.16
  4. Step 4: Simplify right side
    2,189,018.40x = 2,524,707,769,255.03
  5. Step 5: Solve for x
    x = 2,524,707,769,255.03/2,189,018.40
  6. Step 6: Final answer
    x = 1,153,351.55

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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.