Home / 3,855,648.20-5,777,942.70-2,836,819.40

Finding the Fourth Proportional to 3,855,648.20, 5,777,942.70 and 2,836,819.40

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Solution

The fourth proportional to 3,855,648.20, 5,777,942.70 and 2,836,819.40 is: 4,251,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,648.20 : 5,777,942.70 = 2,836,819.40 : x
  2. Step 2: Convert to fraction form
    3,855,648.20/5,777,942.70 = 2,836,819.40/x
  3. Step 3: Cross multiply
    3,855,648.20x = 5,777,942.70 × 2,836,819.40
  4. Step 4: Simplify right side
    3,855,648.20x = 16,390,979,943,448.38
  5. Step 5: Solve for x
    x = 16,390,979,943,448.38/3,855,648.20
  6. Step 6: Final answer
    x = 4,251,160.66

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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.