Home / 5,082,591.78-7,621,649.64-2,387,682.90

Finding the Fourth Proportional to 5,082,591.78, 7,621,649.64 and 2,387,682.90

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Solution

The fourth proportional to 5,082,591.78, 7,621,649.64 and 2,387,682.90 is: 3,580,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082,591.78 : 7,621,649.64 = 2,387,682.90 : x
  2. Step 2: Convert to fraction form
    5,082,591.78/7,621,649.64 = 2,387,682.90/x
  3. Step 3: Cross multiply
    5,082,591.78x = 7,621,649.64 × 2,387,682.90
  4. Step 4: Simplify right side
    5,082,591.78x = 18,198,082,515,219.16
  5. Step 5: Solve for x
    x = 18,198,082,515,219.16/5,082,591.78
  6. Step 6: Final answer
    x = 3,580,472.98

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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.