Home / 2,419,912.89-3,632,112.38-1,222,676.64

Finding the Fourth Proportional to 2,419,912.89, 3,632,112.38 and 1,222,676.64

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Solution

The fourth proportional to 2,419,912.89, 3,632,112.38 and 1,222,676.64 is: 1,835,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,912.89 : 3,632,112.38 = 1,222,676.64 : x
  2. Step 2: Convert to fraction form
    2,419,912.89/3,632,112.38 = 1,222,676.64/x
  3. Step 3: Cross multiply
    2,419,912.89x = 3,632,112.38 × 1,222,676.64
  4. Step 4: Simplify right side
    2,419,912.89x = 4,440,898,963,937.49
  5. Step 5: Solve for x
    x = 4,440,898,963,937.49/2,419,912.89
  6. Step 6: Final answer
    x = 1,835,148.27

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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.