Home / 3,511,769.40-5,267,656.14-987,424.64

Finding the Fourth Proportional to 3,511,769.40, 5,267,656.14 and 987,424.64

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Solution

The fourth proportional to 3,511,769.40, 5,267,656.14 and 987,424.64 is: 1,481,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,769.40 : 5,267,656.14 = 987,424.64 : x
  2. Step 2: Convert to fraction form
    3,511,769.40/5,267,656.14 = 987,424.64/x
  3. Step 3: Cross multiply
    3,511,769.40x = 5,267,656.14 × 987,424.64
  4. Step 4: Simplify right side
    3,511,769.40x = 5,201,413,467,683.29
  5. Step 5: Solve for x
    x = 5,201,413,467,683.29/3,511,769.40
  6. Step 6: Final answer
    x = 1,481,137.53

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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.