Home / 3,171,923.46-4,377,239.60-1,721,606.22

Finding the Fourth Proportional to 3,171,923.46, 4,377,239.60 and 1,721,606.22

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Solution

The fourth proportional to 3,171,923.46, 4,377,239.60 and 1,721,606.22 is: 2,375,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,923.46 : 4,377,239.60 = 1,721,606.22 : x
  2. Step 2: Convert to fraction form
    3,171,923.46/4,377,239.60 = 1,721,606.22/x
  3. Step 3: Cross multiply
    3,171,923.46x = 4,377,239.60 × 1,721,606.22
  4. Step 4: Simplify right side
    3,171,923.46x = 7,535,882,921,790.31
  5. Step 5: Solve for x
    x = 7,535,882,921,790.31/3,171,923.46
  6. Step 6: Final answer
    x = 2,375,808.56

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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.