Home / 5,781,542.94-7,978,425.84-3,203,172

Finding the Fourth Proportional to 5,781,542.94, 7,978,425.84 and 3,203,172

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Solution

The fourth proportional to 5,781,542.94, 7,978,425.84 and 3,203,172 is: 4,420,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,542.94 : 7,978,425.84 = 3,203,172 : x
  2. Step 2: Convert to fraction form
    5,781,542.94/7,978,425.84 = 3,203,172/x
  3. Step 3: Cross multiply
    5,781,542.94x = 7,978,425.84 × 3,203,172
  4. Step 4: Simplify right side
    5,781,542.94x = 25,556,270,254,764.48
  5. Step 5: Solve for x
    x = 25,556,270,254,764.48/5,781,542.94
  6. Step 6: Final answer
    x = 4,420,320.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.