Home / 2,165,202.21-2,987,887.19-1,198,242.03

Finding the Fourth Proportional to 2,165,202.21, 2,987,887.19 and 1,198,242.03

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Solution

The fourth proportional to 2,165,202.21, 2,987,887.19 and 1,198,242.03 is: 1,653,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,202.21 : 2,987,887.19 = 1,198,242.03 : x
  2. Step 2: Convert to fraction form
    2,165,202.21/2,987,887.19 = 1,198,242.03/x
  3. Step 3: Cross multiply
    2,165,202.21x = 2,987,887.19 × 1,198,242.03
  4. Step 4: Simplify right side
    2,165,202.21x = 3,580,212,005,965.39
  5. Step 5: Solve for x
    x = 3,580,212,005,965.39/2,165,202.21
  6. Step 6: Final answer
    x = 1,653,523.16

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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.