Home / 3,800,855.84-5,245,265.52-2,169,230.72

Finding the Fourth Proportional to 3,800,855.84, 5,245,265.52 and 2,169,230.72

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Solution

The fourth proportional to 3,800,855.84, 5,245,265.52 and 2,169,230.72 is: 2,993,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,855.84 : 5,245,265.52 = 2,169,230.72 : x
  2. Step 2: Convert to fraction form
    3,800,855.84/5,245,265.52 = 2,169,230.72/x
  3. Step 3: Cross multiply
    3,800,855.84x = 5,245,265.52 × 2,169,230.72
  4. Step 4: Simplify right side
    3,800,855.84x = 11,378,191,100,540.78
  5. Step 5: Solve for x
    x = 11,378,191,100,540.78/3,800,855.84
  6. Step 6: Final answer
    x = 2,993,586.60

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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.