Home / 3,171,782.54-4,376,948.58-1,721,448.78

Finding the Fourth Proportional to 3,171,782.54, 4,376,948.58 and 1,721,448.78

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Solution

The fourth proportional to 3,171,782.54, 4,376,948.58 and 1,721,448.78 is: 2,375,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,782.54 : 4,376,948.58 = 1,721,448.78 : x
  2. Step 2: Convert to fraction form
    3,171,782.54/4,376,948.58 = 1,721,448.78/x
  3. Step 3: Cross multiply
    3,171,782.54x = 4,376,948.58 × 1,721,448.78
  4. Step 4: Simplify right side
    3,171,782.54x = 7,534,692,793,163.73
  5. Step 5: Solve for x
    x = 7,534,692,793,163.73/3,171,782.54
  6. Step 6: Final answer
    x = 2,375,538.90

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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.