Home / 3,171,912.41-4,377,121.79-1,721,576.75

Finding the Fourth Proportional to 3,171,912.41, 4,377,121.79 and 1,721,576.75

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Solution

The fourth proportional to 3,171,912.41, 4,377,121.79 and 1,721,576.75 is: 2,375,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,912.41 : 4,377,121.79 = 1,721,576.75 : x
  2. Step 2: Convert to fraction form
    3,171,912.41/4,377,121.79 = 1,721,576.75/x
  3. Step 3: Cross multiply
    3,171,912.41x = 4,377,121.79 × 1,721,576.75
  4. Step 4: Simplify right side
    3,171,912.41x = 7,535,551,075,088.89
  5. Step 5: Solve for x
    x = 7,535,551,075,088.89/3,171,912.41
  6. Step 6: Final answer
    x = 2,375,712.22

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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.