Home / 3,157,013.43-4,734,047.88-1,640,288.61

Finding the Fourth Proportional to 3,157,013.43, 4,734,047.88 and 1,640,288.61

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Solution

The fourth proportional to 3,157,013.43, 4,734,047.88 and 1,640,288.61 is: 2,459,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,013.43 : 4,734,047.88 = 1,640,288.61 : x
  2. Step 2: Convert to fraction form
    3,157,013.43/4,734,047.88 = 1,640,288.61/x
  3. Step 3: Cross multiply
    3,157,013.43x = 4,734,047.88 × 1,640,288.61
  4. Step 4: Simplify right side
    3,157,013.43x = 7,765,204,816,758.65
  5. Step 5: Solve for x
    x = 7,765,204,816,758.65/3,157,013.43
  6. Step 6: Final answer
    x = 2,459,667.97

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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.