Home / 3,896,172.09-5,376,724.77-2,177,292.60

Finding the Fourth Proportional to 3,896,172.09, 5,376,724.77 and 2,177,292.60

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Solution

The fourth proportional to 3,896,172.09, 5,376,724.77 and 2,177,292.60 is: 3,004,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,172.09 : 5,376,724.77 = 2,177,292.60 : x
  2. Step 2: Convert to fraction form
    3,896,172.09/5,376,724.77 = 2,177,292.60/x
  3. Step 3: Cross multiply
    3,896,172.09x = 5,376,724.77 × 2,177,292.60
  4. Step 4: Simplify right side
    3,896,172.09x = 11,706,703,053,957.70
  5. Step 5: Solve for x
    x = 11,706,703,053,957.70/3,896,172.09
  6. Step 6: Final answer
    x = 3,004,667.86

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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.