Home / 2,261,639.54-3,121,009.89-1,229,122.82

Finding the Fourth Proportional to 2,261,639.54, 3,121,009.89 and 1,229,122.82

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Solution

The fourth proportional to 2,261,639.54, 3,121,009.89 and 1,229,122.82 is: 1,696,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,639.54 : 3,121,009.89 = 1,229,122.82 : x
  2. Step 2: Convert to fraction form
    2,261,639.54/3,121,009.89 = 1,229,122.82/x
  3. Step 3: Cross multiply
    2,261,639.54x = 3,121,009.89 × 1,229,122.82
  4. Step 4: Simplify right side
    2,261,639.54x = 3,836,104,477,244.69
  5. Step 5: Solve for x
    x = 3,836,104,477,244.69/2,261,639.54
  6. Step 6: Final answer
    x = 1,696,160.86

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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.