Home / 5,395,121.31-7,445,180.49-2,947,679.76

Finding the Fourth Proportional to 5,395,121.31, 7,445,180.49 and 2,947,679.76

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Solution

The fourth proportional to 5,395,121.31, 7,445,180.49 and 2,947,679.76 is: 4,067,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,121.31 : 7,445,180.49 = 2,947,679.76 : x
  2. Step 2: Convert to fraction form
    5,395,121.31/7,445,180.49 = 2,947,679.76/x
  3. Step 3: Cross multiply
    5,395,121.31x = 7,445,180.49 × 2,947,679.76
  4. Step 4: Simplify right side
    5,395,121.31x = 21,946,007,839,919.88
  5. Step 5: Solve for x
    x = 21,946,007,839,919.88/5,395,121.31
  6. Step 6: Final answer
    x = 4,067,750.58

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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.