Home / 3,171,847.22-4,377,032.09-1,721,511.52

Finding the Fourth Proportional to 3,171,847.22, 4,377,032.09 and 1,721,511.52

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Solution

The fourth proportional to 3,171,847.22, 4,377,032.09 and 1,721,511.52 is: 2,375,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,847.22 : 4,377,032.09 = 1,721,511.52 : x
  2. Step 2: Convert to fraction form
    3,171,847.22/4,377,032.09 = 1,721,511.52/x
  3. Step 3: Cross multiply
    3,171,847.22x = 4,377,032.09 × 1,721,511.52
  4. Step 4: Simplify right side
    3,171,847.22x = 7,535,111,170,402.53
  5. Step 5: Solve for x
    x = 7,535,111,170,402.53/3,171,847.22
  6. Step 6: Final answer
    x = 2,375,622.35

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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.