Home / 4,242,863.45-5,855,768.64-2,382,487.72

Finding the Fourth Proportional to 4,242,863.45, 5,855,768.64 and 2,382,487.72

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Solution

The fourth proportional to 4,242,863.45, 5,855,768.64 and 2,382,487.72 is: 3,288,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242,863.45 : 5,855,768.64 = 2,382,487.72 : x
  2. Step 2: Convert to fraction form
    4,242,863.45/5,855,768.64 = 2,382,487.72/x
  3. Step 3: Cross multiply
    4,242,863.45x = 5,855,768.64 × 2,382,487.72
  4. Step 4: Simplify right side
    4,242,863.45x = 13,951,296,861,321.68
  5. Step 5: Solve for x
    x = 13,951,296,861,321.68/4,242,863.45
  6. Step 6: Final answer
    x = 3,288,179.56

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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.