Home / 3,393,823.78-4,683,198.09-1,998,163.54

Finding the Fourth Proportional to 3,393,823.78, 4,683,198.09 and 1,998,163.54

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Solution

The fourth proportional to 3,393,823.78, 4,683,198.09 and 1,998,163.54 is: 2,757,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,823.78 : 4,683,198.09 = 1,998,163.54 : x
  2. Step 2: Convert to fraction form
    3,393,823.78/4,683,198.09 = 1,998,163.54/x
  3. Step 3: Cross multiply
    3,393,823.78x = 4,683,198.09 × 1,998,163.54
  4. Step 4: Simplify right side
    3,393,823.78x = 9,357,795,674,035.64
  5. Step 5: Solve for x
    x = 9,357,795,674,035.64/3,393,823.78
  6. Step 6: Final answer
    x = 2,757,301.58

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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.