Home / 2,175,188.33-3,001,676.47-1,208,379.42

Finding the Fourth Proportional to 2,175,188.33, 3,001,676.47 and 1,208,379.42

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Solution

The fourth proportional to 2,175,188.33, 3,001,676.47 and 1,208,379.42 is: 1,667,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,188.33 : 3,001,676.47 = 1,208,379.42 : x
  2. Step 2: Convert to fraction form
    2,175,188.33/3,001,676.47 = 1,208,379.42/x
  3. Step 3: Cross multiply
    2,175,188.33x = 3,001,676.47 × 1,208,379.42
  4. Step 4: Simplify right side
    2,175,188.33x = 3,627,164,068,825.30
  5. Step 5: Solve for x
    x = 3,627,164,068,825.30/2,175,188.33
  6. Step 6: Final answer
    x = 1,667,517.25

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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.