Home / 5,147,403.72-7,103,425.50-2,855,564.43

Finding the Fourth Proportional to 5,147,403.72, 7,103,425.50 and 2,855,564.43

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Solution

The fourth proportional to 5,147,403.72, 7,103,425.50 and 2,855,564.43 is: 3,940,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,403.72 : 7,103,425.50 = 2,855,564.43 : x
  2. Step 2: Convert to fraction form
    5,147,403.72/7,103,425.50 = 2,855,564.43/x
  3. Step 3: Cross multiply
    5,147,403.72x = 7,103,425.50 × 2,855,564.43
  4. Step 4: Simplify right side
    5,147,403.72x = 20,284,289,188,954.96
  5. Step 5: Solve for x
    x = 20,284,289,188,954.96/5,147,403.72
  6. Step 6: Final answer
    x = 3,940,683.55

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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.