Home / 2,850,640.38-3,933,947.07-1,626,921.54

Finding the Fourth Proportional to 2,850,640.38, 3,933,947.07 and 1,626,921.54

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Solution

The fourth proportional to 2,850,640.38, 3,933,947.07 and 1,626,921.54 is: 2,245,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,640.38 : 3,933,947.07 = 1,626,921.54 : x
  2. Step 2: Convert to fraction form
    2,850,640.38/3,933,947.07 = 1,626,921.54/x
  3. Step 3: Cross multiply
    2,850,640.38x = 3,933,947.07 × 1,626,921.54
  4. Step 4: Simplify right side
    2,850,640.38x = 6,400,223,225,402.89
  5. Step 5: Solve for x
    x = 6,400,223,225,402.89/2,850,640.38
  6. Step 6: Final answer
    x = 2,245,187.88

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1.5x scale

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.