Home / 1,660,629.21-2,481,845.15-1,212,294.21

Finding the Fourth Proportional to 1,660,629.21, 2,481,845.15 and 1,212,294.21

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Solution

The fourth proportional to 1,660,629.21, 2,481,845.15 and 1,212,294.21 is: 1,811,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,629.21 : 2,481,845.15 = 1,212,294.21 : x
  2. Step 2: Convert to fraction form
    1,660,629.21/2,481,845.15 = 1,212,294.21/x
  3. Step 3: Cross multiply
    1,660,629.21x = 2,481,845.15 × 1,212,294.21
  4. Step 4: Simplify right side
    1,660,629.21x = 3,008,726,499,400.11
  5. Step 5: Solve for x
    x = 3,008,726,499,400.11/1,660,629.21
  6. Step 6: Final answer
    x = 1,811,799.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.