Home / 3,813,143.54-5,718,975.83-1,080,667.47

Finding the Fourth Proportional to 3,813,143.54, 5,718,975.83 and 1,080,667.47

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Solution

The fourth proportional to 3,813,143.54, 5,718,975.83 and 1,080,667.47 is: 1,620,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813,143.54 : 5,718,975.83 = 1,080,667.47 : x
  2. Step 2: Convert to fraction form
    3,813,143.54/5,718,975.83 = 1,080,667.47/x
  3. Step 3: Cross multiply
    3,813,143.54x = 5,718,975.83 × 1,080,667.47
  4. Step 4: Simplify right side
    3,813,143.54x = 6,180,311,135,793.91
  5. Step 5: Solve for x
    x = 6,180,311,135,793.91/3,813,143.54
  6. Step 6: Final answer
    x = 1,620,791.63

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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.