Home / 3,888,610.72-5,364,786.08-2,435,776.90

Finding the Fourth Proportional to 3,888,610.72, 5,364,786.08 and 2,435,776.90

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Solution

The fourth proportional to 3,888,610.72, 5,364,786.08 and 2,435,776.90 is: 3,360,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,610.72 : 5,364,786.08 = 2,435,776.90 : x
  2. Step 2: Convert to fraction form
    3,888,610.72/5,364,786.08 = 2,435,776.90/x
  3. Step 3: Cross multiply
    3,888,610.72x = 5,364,786.08 × 2,435,776.90
  4. Step 4: Simplify right side
    3,888,610.72x = 13,067,422,007,105.55
  5. Step 5: Solve for x
    x = 13,067,422,007,105.55/3,888,610.72
  6. Step 6: Final answer
    x = 3,360,434.60

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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.