Home / 2,104,891.11-2,904,749.51-1,138,021.25

Finding the Fourth Proportional to 2,104,891.11, 2,904,749.51 and 1,138,021.25

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Solution

The fourth proportional to 2,104,891.11, 2,904,749.51 and 1,138,021.25 is: 1,570,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,891.11 : 2,904,749.51 = 1,138,021.25 : x
  2. Step 2: Convert to fraction form
    2,104,891.11/2,904,749.51 = 1,138,021.25/x
  3. Step 3: Cross multiply
    2,104,891.11x = 2,904,749.51 × 1,138,021.25
  4. Step 4: Simplify right side
    2,104,891.11x = 3,305,666,648,093.23
  5. Step 5: Solve for x
    x = 3,305,666,648,093.23/2,104,891.11
  6. Step 6: Final answer
    x = 1,570,469.20

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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.