Home / 3,511,771.64-5,267,659.51-987,426.89

Finding the Fourth Proportional to 3,511,771.64, 5,267,659.51 and 987,426.89

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Solution

The fourth proportional to 3,511,771.64, 5,267,659.51 and 987,426.89 is: 1,481,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,771.64 : 5,267,659.51 = 987,426.89 : x
  2. Step 2: Convert to fraction form
    3,511,771.64/5,267,659.51 = 987,426.89/x
  3. Step 3: Cross multiply
    3,511,771.64x = 5,267,659.51 × 987,426.89
  4. Step 4: Simplify right side
    3,511,771.64x = 5,201,428,652,064.80
  5. Step 5: Solve for x
    x = 5,201,428,652,064.80/3,511,771.64
  6. Step 6: Final answer
    x = 1,481,140.91

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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.