Home / 6,439,750.56-9,659,956.72-1,647,481.36

Finding the Fourth Proportional to 6,439,750.56, 9,659,956.72 and 1,647,481.36

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Solution

The fourth proportional to 6,439,750.56, 9,659,956.72 and 1,647,481.36 is: 2,471,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,750.56 : 9,659,956.72 = 1,647,481.36 : x
  2. Step 2: Convert to fraction form
    6,439,750.56/9,659,956.72 = 1,647,481.36/x
  3. Step 3: Cross multiply
    6,439,750.56x = 9,659,956.72 × 1,647,481.36
  4. Step 4: Simplify right side
    6,439,750.56x = 15,914,598,634,606.74
  5. Step 5: Solve for x
    x = 15,914,598,634,606.74/6,439,750.56
  6. Step 6: Final answer
    x = 2,471,306.69

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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.