Home / 2,261,706.84-3,121,179.48-1,229,214.60

Finding the Fourth Proportional to 2,261,706.84, 3,121,179.48 and 1,229,214.60

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Solution

The fourth proportional to 2,261,706.84, 3,121,179.48 and 1,229,214.60 is: 1,696,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,706.84 : 3,121,179.48 = 1,229,214.60 : x
  2. Step 2: Convert to fraction form
    2,261,706.84/3,121,179.48 = 1,229,214.60/x
  3. Step 3: Cross multiply
    2,261,706.84x = 3,121,179.48 × 1,229,214.60
  4. Step 4: Simplify right side
    2,261,706.84x = 3,836,599,386,036.41
  5. Step 5: Solve for x
    x = 3,836,599,386,036.41/2,261,706.84
  6. Step 6: Final answer
    x = 1,696,329.21

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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.