Home / 2,172,909.44-3,262,563.72-1,215,241.35

Finding the Fourth Proportional to 2,172,909.44, 3,262,563.72 and 1,215,241.35

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Solution

The fourth proportional to 2,172,909.44, 3,262,563.72 and 1,215,241.35 is: 1,824,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,909.44 : 3,262,563.72 = 1,215,241.35 : x
  2. Step 2: Convert to fraction form
    2,172,909.44/3,262,563.72 = 1,215,241.35/x
  3. Step 3: Cross multiply
    2,172,909.44x = 3,262,563.72 × 1,215,241.35
  4. Step 4: Simplify right side
    2,172,909.44x = 3,964,802,339,553.82
  5. Step 5: Solve for x
    x = 3,964,802,339,553.82/2,172,909.44
  6. Step 6: Final answer
    x = 1,824,651.44

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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.