Home / 5,198,408.69-7,171,607.30-3,480,082.79

Finding the Fourth Proportional to 5,198,408.69, 7,171,607.30 and 3,480,082.79

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Solution

The fourth proportional to 5,198,408.69, 7,171,607.30 and 3,480,082.79 is: 4,801,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,408.69 : 7,171,607.30 = 3,480,082.79 : x
  2. Step 2: Convert to fraction form
    5,198,408.69/7,171,607.30 = 3,480,082.79/x
  3. Step 3: Cross multiply
    5,198,408.69x = 7,171,607.30 × 3,480,082.79
  4. Step 4: Simplify right side
    5,198,408.69x = 24,957,787,088,109.92
  5. Step 5: Solve for x
    x = 24,957,787,088,109.92/5,198,408.69
  6. Step 6: Final answer
    x = 4,801,043.67

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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.