Home / 2,662,847.63-3,988,993.48-1,240,947.71

Finding the Fourth Proportional to 2,662,847.63, 3,988,993.48 and 1,240,947.71

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Solution

The fourth proportional to 2,662,847.63, 3,988,993.48 and 1,240,947.71 is: 1,858,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,847.63 : 3,988,993.48 = 1,240,947.71 : x
  2. Step 2: Convert to fraction form
    2,662,847.63/3,988,993.48 = 1,240,947.71/x
  3. Step 3: Cross multiply
    2,662,847.63x = 3,988,993.48 × 1,240,947.71
  4. Step 4: Simplify right side
    2,662,847.63x = 4,950,132,324,210.93
  5. Step 5: Solve for x
    x = 4,950,132,324,210.93/2,662,847.63
  6. Step 6: Final answer
    x = 1,858,961.91

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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.