Home / 2,107,114.08-3,161,174.16-687,171.36

Finding the Fourth Proportional to 2,107,114.08, 3,161,174.16 and 687,171.36

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Solution

The fourth proportional to 2,107,114.08, 3,161,174.16 and 687,171.36 is: 1,030,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,114.08 : 3,161,174.16 = 687,171.36 : x
  2. Step 2: Convert to fraction form
    2,107,114.08/3,161,174.16 = 687,171.36/x
  3. Step 3: Cross multiply
    2,107,114.08x = 3,161,174.16 × 687,171.36
  4. Step 4: Simplify right side
    2,107,114.08x = 2,172,268,346,724.06
  5. Step 5: Solve for x
    x = 2,172,268,346,724.06/2,107,114.08
  6. Step 6: Final answer
    x = 1,030,921.09

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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.