Home / 2,311,109.75-3,189,390.68-1,393,397.73

Finding the Fourth Proportional to 2,311,109.75, 3,189,390.68 and 1,393,397.73

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Solution

The fourth proportional to 2,311,109.75, 3,189,390.68 and 1,393,397.73 is: 1,922,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,109.75 : 3,189,390.68 = 1,393,397.73 : x
  2. Step 2: Convert to fraction form
    2,311,109.75/3,189,390.68 = 1,393,397.73/x
  3. Step 3: Cross multiply
    2,311,109.75x = 3,189,390.68 × 1,393,397.73
  4. Step 4: Simplify right side
    2,311,109.75x = 4,444,089,726,628.17
  5. Step 5: Solve for x
    x = 4,444,089,726,628.17/2,311,109.75
  6. Step 6: Final answer
    x = 1,922,924.58

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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.