Home / 1,644,768.41-2,269,092.84-1,281,561.71

Finding the Fourth Proportional to 1,644,768.41, 2,269,092.84 and 1,281,561.71

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Solution

The fourth proportional to 1,644,768.41, 2,269,092.84 and 1,281,561.71 is: 1,768,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,768.41 : 2,269,092.84 = 1,281,561.71 : x
  2. Step 2: Convert to fraction form
    1,644,768.41/2,269,092.84 = 1,281,561.71/x
  3. Step 3: Cross multiply
    1,644,768.41x = 2,269,092.84 × 1,281,561.71
  4. Step 4: Simplify right side
    1,644,768.41x = 2,907,982,500,179.16
  5. Step 5: Solve for x
    x = 2,907,982,500,179.16/1,644,768.41
  6. Step 6: Final answer
    x = 1,768,019.43

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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.