Home / 4,936,921.38-6,814,399.86-2,872,422.54

Finding the Fourth Proportional to 4,936,921.38, 6,814,399.86 and 2,872,422.54

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Solution

The fourth proportional to 4,936,921.38, 6,814,399.86 and 2,872,422.54 is: 3,964,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936,921.38 : 6,814,399.86 = 2,872,422.54 : x
  2. Step 2: Convert to fraction form
    4,936,921.38/6,814,399.86 = 2,872,422.54/x
  3. Step 3: Cross multiply
    4,936,921.38x = 6,814,399.86 × 2,872,422.54
  4. Step 4: Simplify right side
    4,936,921.38x = 19,573,835,754,436.84
  5. Step 5: Solve for x
    x = 19,573,835,754,436.84/4,936,921.38
  6. Step 6: Final answer
    x = 3,964,785.79

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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.