Home / 3,171,913.26-4,377,122.96-1,721,577.58

Finding the Fourth Proportional to 3,171,913.26, 4,377,122.96 and 1,721,577.58

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Solution

The fourth proportional to 3,171,913.26, 4,377,122.96 and 1,721,577.58 is: 2,375,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,913.26 : 4,377,122.96 = 1,721,577.58 : x
  2. Step 2: Convert to fraction form
    3,171,913.26/4,377,122.96 = 1,721,577.58/x
  3. Step 3: Cross multiply
    3,171,913.26x = 4,377,122.96 × 1,721,577.58
  4. Step 4: Simplify right side
    3,171,913.26x = 7,535,556,733,288.54
  5. Step 5: Solve for x
    x = 7,535,556,733,288.54/3,171,913.26
  6. Step 6: Final answer
    x = 2,375,713.37

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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.