Home / 2,631,361.44-3,631,278.72-1,424,137.44

Finding the Fourth Proportional to 2,631,361.44, 3,631,278.72 and 1,424,137.44

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Solution

The fourth proportional to 2,631,361.44, 3,631,278.72 and 1,424,137.44 is: 1,965,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,361.44 : 3,631,278.72 = 1,424,137.44 : x
  2. Step 2: Convert to fraction form
    2,631,361.44/3,631,278.72 = 1,424,137.44/x
  3. Step 3: Cross multiply
    2,631,361.44x = 3,631,278.72 × 1,424,137.44
  4. Step 4: Simplify right side
    2,631,361.44x = 5,171,439,980,227.28
  5. Step 5: Solve for x
    x = 5,171,439,980,227.28/2,631,361.44
  6. Step 6: Final answer
    x = 1,965,309.63

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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.