Home / 2,192,958.72-3,026,301.48-1,212,881.40

Finding the Fourth Proportional to 2,192,958.72, 3,026,301.48 and 1,212,881.40

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Solution

The fourth proportional to 2,192,958.72, 3,026,301.48 and 1,212,881.40 is: 1,673,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,958.72 : 3,026,301.48 = 1,212,881.40 : x
  2. Step 2: Convert to fraction form
    2,192,958.72/3,026,301.48 = 1,212,881.40/x
  3. Step 3: Cross multiply
    2,192,958.72x = 3,026,301.48 × 1,212,881.40
  4. Step 4: Simplify right side
    2,192,958.72x = 3,670,544,775,884.47
  5. Step 5: Solve for x
    x = 3,670,544,775,884.47/2,192,958.72
  6. Step 6: Final answer
    x = 1,673,786.53

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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.