Home / 2,175,199.36-3,001,691.62-1,208,390.44

Finding the Fourth Proportional to 2,175,199.36, 3,001,691.62 and 1,208,390.44

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Solution

The fourth proportional to 2,175,199.36, 3,001,691.62 and 1,208,390.44 is: 1,667,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,199.36 : 3,001,691.62 = 1,208,390.44 : x
  2. Step 2: Convert to fraction form
    2,175,199.36/3,001,691.62 = 1,208,390.44/x
  3. Step 3: Cross multiply
    2,175,199.36x = 3,001,691.62 × 1,208,390.44
  4. Step 4: Simplify right side
    2,175,199.36x = 3,627,215,457,436.11
  5. Step 5: Solve for x
    x = 3,627,215,457,436.11/2,175,199.36
  6. Step 6: Final answer
    x = 1,667,532.42

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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.