Home / 1,943,286.94-2,914,230.57-821,443.42

Finding the Fourth Proportional to 1,943,286.94, 2,914,230.57 and 821,443.42

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Solution

The fourth proportional to 1,943,286.94, 2,914,230.57 and 821,443.42 is: 1,231,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,286.94 : 2,914,230.57 = 821,443.42 : x
  2. Step 2: Convert to fraction form
    1,943,286.94/2,914,230.57 = 821,443.42/x
  3. Step 3: Cross multiply
    1,943,286.94x = 2,914,230.57 × 821,443.42
  4. Step 4: Simplify right side
    1,943,286.94x = 2,393,875,526,089.35
  5. Step 5: Solve for x
    x = 2,393,875,526,089.35/1,943,286.94
  6. Step 6: Final answer
    x = 1,231,869.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.