Home / 3,378,105.42-4,662,120.54-1,928,020.44

Finding the Fourth Proportional to 3,378,105.42, 4,662,120.54 and 1,928,020.44

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Solution

The fourth proportional to 3,378,105.42, 4,662,120.54 and 1,928,020.44 is: 2,660,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,105.42 : 4,662,120.54 = 1,928,020.44 : x
  2. Step 2: Convert to fraction form
    3,378,105.42/4,662,120.54 = 1,928,020.44/x
  3. Step 3: Cross multiply
    3,378,105.42x = 4,662,120.54 × 1,928,020.44
  4. Step 4: Simplify right side
    3,378,105.42x = 8,988,663,694,863.84
  5. Step 5: Solve for x
    x = 8,988,663,694,863.84/3,378,105.42
  6. Step 6: Final answer
    x = 2,660,859.44

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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.