Home / 2,861,791.40-3,948,410.91-1,715,453.48

Finding the Fourth Proportional to 2,861,791.40, 3,948,410.91 and 1,715,453.48

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Solution

The fourth proportional to 2,861,791.40, 3,948,410.91 and 1,715,453.48 is: 2,366,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,791.40 : 3,948,410.91 = 1,715,453.48 : x
  2. Step 2: Convert to fraction form
    2,861,791.40/3,948,410.91 = 1,715,453.48/x
  3. Step 3: Cross multiply
    2,861,791.40x = 3,948,410.91 × 1,715,453.48
  4. Step 4: Simplify right side
    2,861,791.40x = 6,773,315,236,029.47
  5. Step 5: Solve for x
    x = 6,773,315,236,029.47/2,861,791.40
  6. Step 6: Final answer
    x = 2,366,809.56

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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.