Home / 2,175,195.09-3,001,685.78-1,208,386.17

Finding the Fourth Proportional to 2,175,195.09, 3,001,685.78 and 1,208,386.17

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Solution

The fourth proportional to 2,175,195.09, 3,001,685.78 and 1,208,386.17 is: 1,667,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,195.09 : 3,001,685.78 = 1,208,386.17 : x
  2. Step 2: Convert to fraction form
    2,175,195.09/3,001,685.78 = 1,208,386.17/x
  3. Step 3: Cross multiply
    2,175,195.09x = 3,001,685.78 × 1,208,386.17
  4. Step 4: Simplify right side
    2,175,195.09x = 3,627,195,577,195.73
  5. Step 5: Solve for x
    x = 3,627,195,577,195.73/2,175,195.09
  6. Step 6: Final answer
    x = 1,667,526.56

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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.