Home / 3,836,107.20-5,760,381.60-2,778,571.20

Finding the Fourth Proportional to 3,836,107.20, 5,760,381.60 and 2,778,571.20

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Solution

The fourth proportional to 3,836,107.20, 5,760,381.60 and 2,778,571.20 is: 4,172,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,107.20 : 5,760,381.60 = 2,778,571.20 : x
  2. Step 2: Convert to fraction form
    3,836,107.20/5,760,381.60 = 2,778,571.20/x
  3. Step 3: Cross multiply
    3,836,107.20x = 5,760,381.60 × 2,778,571.20
  4. Step 4: Simplify right side
    3,836,107.20x = 16,005,630,414,769.92
  5. Step 5: Solve for x
    x = 16,005,630,414,769.92/3,836,107.20
  6. Step 6: Final answer
    x = 4,172,362.65

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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.