Home / 2,175,211.33-3,001,689.78-1,208,400.58

Finding the Fourth Proportional to 2,175,211.33, 3,001,689.78 and 1,208,400.58

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Solution

The fourth proportional to 2,175,211.33, 3,001,689.78 and 1,208,400.58 is: 1,667,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,211.33 : 3,001,689.78 = 1,208,400.58 : x
  2. Step 2: Convert to fraction form
    2,175,211.33/3,001,689.78 = 1,208,400.58/x
  3. Step 3: Cross multiply
    2,175,211.33x = 3,001,689.78 × 1,208,400.58
  4. Step 4: Simplify right side
    2,175,211.33x = 3,627,243,671,132.07
  5. Step 5: Solve for x
    x = 3,627,243,671,132.07/2,175,211.33
  6. Step 6: Final answer
    x = 1,667,536.22

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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.