Home / 1,616,212.82-2,230,390.08-891,086.43

Finding the Fourth Proportional to 1,616,212.82, 2,230,390.08 and 891,086.43

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Solution

The fourth proportional to 1,616,212.82, 2,230,390.08 and 891,086.43 is: 1,229,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,212.82 : 2,230,390.08 = 891,086.43 : x
  2. Step 2: Convert to fraction form
    1,616,212.82/2,230,390.08 = 891,086.43/x
  3. Step 3: Cross multiply
    1,616,212.82x = 2,230,390.08 × 891,086.43
  4. Step 4: Simplify right side
    1,616,212.82x = 1,987,470,332,849.12
  5. Step 5: Solve for x
    x = 1,987,470,332,849.12/1,616,212.82
  6. Step 6: Final answer
    x = 1,229,708.31

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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.