Home / 5,147,402.72-7,103,424.12-2,855,563.44

Finding the Fourth Proportional to 5,147,402.72, 7,103,424.12 and 2,855,563.44

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Solution

The fourth proportional to 5,147,402.72, 7,103,424.12 and 2,855,563.44 is: 3,940,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,402.72 : 7,103,424.12 = 2,855,563.44 : x
  2. Step 2: Convert to fraction form
    5,147,402.72/7,103,424.12 = 2,855,563.44/x
  3. Step 3: Cross multiply
    5,147,402.72x = 7,103,424.12 × 2,855,563.44
  4. Step 4: Simplify right side
    5,147,402.72x = 20,284,278,215,886.17
  5. Step 5: Solve for x
    x = 20,284,278,215,886.17/5,147,402.72
  6. Step 6: Final answer
    x = 3,940,682.19

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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.