Home / 3,728,647.72-5,147,897.90-2,553,213.56

Finding the Fourth Proportional to 3,728,647.72, 5,147,897.90 and 2,553,213.56

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Solution

The fourth proportional to 3,728,647.72, 5,147,897.90 and 2,553,213.56 is: 3,525,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,647.72 : 5,147,897.90 = 2,553,213.56 : x
  2. Step 2: Convert to fraction form
    3,728,647.72/5,147,897.90 = 2,553,213.56/x
  3. Step 3: Cross multiply
    3,728,647.72x = 5,147,897.90 × 2,553,213.56
  4. Step 4: Simplify right side
    3,728,647.72x = 13,143,682,723,775.53
  5. Step 5: Solve for x
    x = 13,143,682,723,775.53/3,728,647.72
  6. Step 6: Final answer
    x = 3,525,053.51

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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.