Home / 3,784,745.10-5,222,249.64-2,153,057.16

Finding the Fourth Proportional to 3,784,745.10, 5,222,249.64 and 2,153,057.16

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Solution

The fourth proportional to 3,784,745.10, 5,222,249.64 and 2,153,057.16 is: 2,970,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,745.10 : 5,222,249.64 = 2,153,057.16 : x
  2. Step 2: Convert to fraction form
    3,784,745.10/5,222,249.64 = 2,153,057.16/x
  3. Step 3: Cross multiply
    3,784,745.10x = 5,222,249.64 × 2,153,057.16
  4. Step 4: Simplify right side
    3,784,745.10x = 11,243,801,978,709.42
  5. Step 5: Solve for x
    x = 11,243,801,978,709.42/3,784,745.10
  6. Step 6: Final answer
    x = 2,970,821.46

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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.