Home / 1,805,725.33-2,491,885.04-989,914.18

Finding the Fourth Proportional to 1,805,725.33, 2,491,885.04 and 989,914.18

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Solution

The fourth proportional to 1,805,725.33, 2,491,885.04 and 989,914.18 is: 1,366,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,725.33 : 2,491,885.04 = 989,914.18 : x
  2. Step 2: Convert to fraction form
    1,805,725.33/2,491,885.04 = 989,914.18/x
  3. Step 3: Cross multiply
    1,805,725.33x = 2,491,885.04 × 989,914.18
  4. Step 4: Simplify right side
    1,805,725.33x = 2,466,752,331,076.30
  5. Step 5: Solve for x
    x = 2,466,752,331,076.30/1,805,725.33
  6. Step 6: Final answer
    x = 1,366,072.84

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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.