Home / 3,985,408.88-5,499,985.56-2,266,776.80

Finding the Fourth Proportional to 3,985,408.88, 5,499,985.56 and 2,266,776.80

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Solution

The fourth proportional to 3,985,408.88, 5,499,985.56 and 2,266,776.80 is: 3,128,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,408.88 : 5,499,985.56 = 2,266,776.80 : x
  2. Step 2: Convert to fraction form
    3,985,408.88/5,499,985.56 = 2,266,776.80/x
  3. Step 3: Cross multiply
    3,985,408.88x = 5,499,985.56 × 2,266,776.80
  4. Step 4: Simplify right side
    3,985,408.88x = 12,467,239,667,743.01
  5. Step 5: Solve for x
    x = 12,467,239,667,743.01/3,985,408.88
  6. Step 6: Final answer
    x = 3,128,220.98

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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.