Home / 5,394,343.70-8,078,589.37-3,931,469.33

Finding the Fourth Proportional to 5,394,343.70, 8,078,589.37 and 3,931,469.33

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Solution

The fourth proportional to 5,394,343.70, 8,078,589.37 and 3,931,469.33 is: 5,887,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,343.70 : 8,078,589.37 = 3,931,469.33 : x
  2. Step 2: Convert to fraction form
    5,394,343.70/8,078,589.37 = 3,931,469.33/x
  3. Step 3: Cross multiply
    5,394,343.70x = 8,078,589.37 × 3,931,469.33
  4. Step 4: Simplify right side
    5,394,343.70x = 31,760,726,302,340.41
  5. Step 5: Solve for x
    x = 31,760,726,302,340.41/5,394,343.70
  6. Step 6: Final answer
    x = 5,887,783.21

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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.