Home / 6,091,149.78-8,405,786.34-3,643,863.57

Finding the Fourth Proportional to 6,091,149.78, 8,405,786.34 and 3,643,863.57

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Solution

The fourth proportional to 6,091,149.78, 8,405,786.34 and 3,643,863.57 is: 5,028,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091,149.78 : 8,405,786.34 = 3,643,863.57 : x
  2. Step 2: Convert to fraction form
    6,091,149.78/8,405,786.34 = 3,643,863.57/x
  3. Step 3: Cross multiply
    6,091,149.78x = 8,405,786.34 × 3,643,863.57
  4. Step 4: Simplify right side
    6,091,149.78x = 30,629,538,621,529.63
  5. Step 5: Solve for x
    x = 30,629,538,621,529.63/6,091,149.78
  6. Step 6: Final answer
    x = 5,028,531.51

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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.