Home / 2,306,944.51-3,183,121.70-1,288,192.51

Finding the Fourth Proportional to 2,306,944.51, 3,183,121.70 and 1,288,192.51

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Solution

The fourth proportional to 2,306,944.51, 3,183,121.70 and 1,288,192.51 is: 1,777,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306,944.51 : 3,183,121.70 = 1,288,192.51 : x
  2. Step 2: Convert to fraction form
    2,306,944.51/3,183,121.70 = 1,288,192.51/x
  3. Step 3: Cross multiply
    2,306,944.51x = 3,183,121.70 × 1,288,192.51
  4. Step 4: Simplify right side
    2,306,944.51x = 4,100,473,522,790.42
  5. Step 5: Solve for x
    x = 4,100,473,522,790.42/2,306,944.51
  6. Step 6: Final answer
    x = 1,777,447.84

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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.