Home / 3,740,692.75-5,162,158.21-2,086,839.86

Finding the Fourth Proportional to 3,740,692.75, 5,162,158.21 and 2,086,839.86

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Solution

The fourth proportional to 3,740,692.75, 5,162,158.21 and 2,086,839.86 is: 2,879,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,692.75 : 5,162,158.21 = 2,086,839.86 : x
  2. Step 2: Convert to fraction form
    3,740,692.75/5,162,158.21 = 2,086,839.86/x
  3. Step 3: Cross multiply
    3,740,692.75x = 5,162,158.21 × 2,086,839.86
  4. Step 4: Simplify right side
    3,740,692.75x = 10,772,597,523,942.54
  5. Step 5: Solve for x
    x = 10,772,597,523,942.54/3,740,692.75
  6. Step 6: Final answer
    x = 2,879,840.25

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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.