Home / 2,305,178.38-3,180,852.75-1,286,626.06

Finding the Fourth Proportional to 2,305,178.38, 3,180,852.75 and 1,286,626.06

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Solution

The fourth proportional to 2,305,178.38, 3,180,852.75 and 1,286,626.06 is: 1,775,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,178.38 : 3,180,852.75 = 1,286,626.06 : x
  2. Step 2: Convert to fraction form
    2,305,178.38/3,180,852.75 = 1,286,626.06/x
  3. Step 3: Cross multiply
    2,305,178.38x = 3,180,852.75 × 1,286,626.06
  4. Step 4: Simplify right side
    2,305,178.38x = 4,092,568,041,172.67
  5. Step 5: Solve for x
    x = 4,092,568,041,172.67/2,305,178.38
  6. Step 6: Final answer
    x = 1,775,380.19

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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.