Home / 3,631,796.30-5,439,400.05-2,138,804.30

Finding the Fourth Proportional to 3,631,796.30, 5,439,400.05 and 2,138,804.30

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Solution

The fourth proportional to 3,631,796.30, 5,439,400.05 and 2,138,804.30 is: 3,203,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,796.30 : 5,439,400.05 = 2,138,804.30 : x
  2. Step 2: Convert to fraction form
    3,631,796.30/5,439,400.05 = 2,138,804.30/x
  3. Step 3: Cross multiply
    3,631,796.30x = 5,439,400.05 × 2,138,804.30
  4. Step 4: Simplify right side
    3,631,796.30x = 11,633,812,216,360.21
  5. Step 5: Solve for x
    x = 11,633,812,216,360.21/3,631,796.30
  6. Step 6: Final answer
    x = 3,203,321.79

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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.