Home / 1,644,768.91-2,269,093.53-1,281,562.21

Finding the Fourth Proportional to 1,644,768.91, 2,269,093.53 and 1,281,562.21

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Solution

The fourth proportional to 1,644,768.91, 2,269,093.53 and 1,281,562.21 is: 1,768,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,768.91 : 2,269,093.53 = 1,281,562.21 : x
  2. Step 2: Convert to fraction form
    1,644,768.91/2,269,093.53 = 1,281,562.21/x
  3. Step 3: Cross multiply
    1,644,768.91x = 2,269,093.53 × 1,281,562.21
  4. Step 4: Simplify right side
    1,644,768.91x = 2,907,984,519,003.50
  5. Step 5: Solve for x
    x = 2,907,984,519,003.50/1,644,768.91
  6. Step 6: Final answer
    x = 1,768,020.12

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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.