Home / 3,681,766.38-5,078,234.39-3,190,847.76

Finding the Fourth Proportional to 3,681,766.38, 5,078,234.39 and 3,190,847.76

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Solution

The fourth proportional to 3,681,766.38, 5,078,234.39 and 3,190,847.76 is: 4,401,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,766.38 : 5,078,234.39 = 3,190,847.76 : x
  2. Step 2: Convert to fraction form
    3,681,766.38/5,078,234.39 = 3,190,847.76/x
  3. Step 3: Cross multiply
    3,681,766.38x = 5,078,234.39 × 3,190,847.76
  4. Step 4: Simplify right side
    3,681,766.38x = 16,203,872,786,741.05
  5. Step 5: Solve for x
    x = 16,203,872,786,741.05/3,681,766.38
  6. Step 6: Final answer
    x = 4,401,113.80

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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.