Home / 2,179,989.66-3,008,361.86-1,199,907.74

Finding the Fourth Proportional to 2,179,989.66, 3,008,361.86 and 1,199,907.74

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Solution

The fourth proportional to 2,179,989.66, 3,008,361.86 and 1,199,907.74 is: 1,655,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,989.66 : 3,008,361.86 = 1,199,907.74 : x
  2. Step 2: Convert to fraction form
    2,179,989.66/3,008,361.86 = 1,199,907.74/x
  3. Step 3: Cross multiply
    2,179,989.66x = 3,008,361.86 × 1,199,907.74
  4. Step 4: Simplify right side
    2,179,989.66x = 3,609,756,667,383.95
  5. Step 5: Solve for x
    x = 3,609,756,667,383.95/2,179,989.66
  6. Step 6: Final answer
    x = 1,655,859.54

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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.