Home / 5,168,735.78-7,753,103.16-1,382,120.24

Finding the Fourth Proportional to 5,168,735.78, 7,753,103.16 and 1,382,120.24

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Solution

The fourth proportional to 5,168,735.78, 7,753,103.16 and 1,382,120.24 is: 2,073,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,735.78 : 7,753,103.16 = 1,382,120.24 : x
  2. Step 2: Convert to fraction form
    5,168,735.78/7,753,103.16 = 1,382,120.24/x
  3. Step 3: Cross multiply
    5,168,735.78x = 7,753,103.16 × 1,382,120.24
  4. Step 4: Simplify right side
    5,168,735.78x = 10,715,720,800,243.96
  5. Step 5: Solve for x
    x = 10,715,720,800,243.96/5,168,735.78
  6. Step 6: Final answer
    x = 2,073,180.22

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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.