Home / 2,718,698.94-4,077,785.16-825,456.78

Finding the Fourth Proportional to 2,718,698.94, 4,077,785.16 and 825,456.78

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Solution

The fourth proportional to 2,718,698.94, 4,077,785.16 and 825,456.78 is: 1,238,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,698.94 : 4,077,785.16 = 825,456.78 : x
  2. Step 2: Convert to fraction form
    2,718,698.94/4,077,785.16 = 825,456.78/x
  3. Step 3: Cross multiply
    2,718,698.94x = 4,077,785.16 × 825,456.78
  4. Step 4: Simplify right side
    2,718,698.94x = 3,366,035,407,705.39
  5. Step 5: Solve for x
    x = 3,366,035,407,705.39/2,718,698.94
  6. Step 6: Final answer
    x = 1,238,105.24

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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.