Home / 2,175,189.33-3,001,677.85-1,208,380.42

Finding the Fourth Proportional to 2,175,189.33, 3,001,677.85 and 1,208,380.42

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Solution

The fourth proportional to 2,175,189.33, 3,001,677.85 and 1,208,380.42 is: 1,667,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,189.33 : 3,001,677.85 = 1,208,380.42 : x
  2. Step 2: Convert to fraction form
    2,175,189.33/3,001,677.85 = 1,208,380.42/x
  3. Step 3: Cross multiply
    2,175,189.33x = 3,001,677.85 × 1,208,380.42
  4. Step 4: Simplify right side
    2,175,189.33x = 3,627,168,741,087.70
  5. Step 5: Solve for x
    x = 3,627,168,741,087.70/2,175,189.33
  6. Step 6: Final answer
    x = 1,667,518.63

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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.