Home / 3,760,452.45-5,189,745.57-2,129,147.28

Finding the Fourth Proportional to 3,760,452.45, 5,189,745.57 and 2,129,147.28

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Solution

The fourth proportional to 3,760,452.45, 5,189,745.57 and 2,129,147.28 is: 2,938,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760,452.45 : 5,189,745.57 = 2,129,147.28 : x
  2. Step 2: Convert to fraction form
    3,760,452.45/5,189,745.57 = 2,129,147.28/x
  3. Step 3: Cross multiply
    3,760,452.45x = 5,189,745.57 × 2,129,147.28
  4. Step 4: Simplify right side
    3,760,452.45x = 11,049,732,664,257.55
  5. Step 5: Solve for x
    x = 11,049,732,664,257.55/3,760,452.45
  6. Step 6: Final answer
    x = 2,938,405.10

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1.5x scale

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.