Home / 1,963,994.85-2,942,162.60-1,108,478.79

Finding the Fourth Proportional to 1,963,994.85, 2,942,162.60 and 1,108,478.79

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Solution

The fourth proportional to 1,963,994.85, 2,942,162.60 and 1,108,478.79 is: 1,660,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,994.85 : 2,942,162.60 = 1,108,478.79 : x
  2. Step 2: Convert to fraction form
    1,963,994.85/2,942,162.60 = 1,108,478.79/x
  3. Step 3: Cross multiply
    1,963,994.85x = 2,942,162.60 × 1,108,478.79
  4. Step 4: Simplify right side
    1,963,994.85x = 3,261,324,833,288.86
  5. Step 5: Solve for x
    x = 3,261,324,833,288.86/1,963,994.85
  6. Step 6: Final answer
    x = 1,660,556.71

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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.