Home / 3,511,774.21-5,267,663.36-987,429.46

Finding the Fourth Proportional to 3,511,774.21, 5,267,663.36 and 987,429.46

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Solution

The fourth proportional to 3,511,774.21, 5,267,663.36 and 987,429.46 is: 1,481,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,774.21 : 5,267,663.36 = 987,429.46 : x
  2. Step 2: Convert to fraction form
    3,511,774.21/5,267,663.36 = 987,429.46/x
  3. Step 3: Cross multiply
    3,511,774.21x = 5,267,663.36 × 987,429.46
  4. Step 4: Simplify right side
    3,511,774.21x = 5,201,445,987,026.59
  5. Step 5: Solve for x
    x = 5,201,445,987,026.59/3,511,774.21
  6. Step 6: Final answer
    x = 1,481,144.77

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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.