Home / 3,511,773.21-5,267,661.86-987,428.46

Finding the Fourth Proportional to 3,511,773.21, 5,267,661.86 and 987,428.46

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Solution

The fourth proportional to 3,511,773.21, 5,267,661.86 and 987,428.46 is: 1,481,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,773.21 : 5,267,661.86 = 987,428.46 : x
  2. Step 2: Convert to fraction form
    3,511,773.21/5,267,661.86 = 987,428.46/x
  3. Step 3: Cross multiply
    3,511,773.21x = 5,267,661.86 × 987,428.46
  4. Step 4: Simplify right side
    3,511,773.21x = 5,201,439,206,945.08
  5. Step 5: Solve for x
    x = 5,201,439,206,945.08/3,511,773.21
  6. Step 6: Final answer
    x = 1,481,143.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.