Home / 1,941,866.89-2,679,720.53-1,082,408.69

Finding the Fourth Proportional to 1,941,866.89, 2,679,720.53 and 1,082,408.69

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Solution

The fourth proportional to 1,941,866.89, 2,679,720.53 and 1,082,408.69 is: 1,493,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,866.89 : 2,679,720.53 = 1,082,408.69 : x
  2. Step 2: Convert to fraction form
    1,941,866.89/2,679,720.53 = 1,082,408.69/x
  3. Step 3: Cross multiply
    1,941,866.89x = 2,679,720.53 × 1,082,408.69
  4. Step 4: Simplify right side
    1,941,866.89x = 2,900,552,789,730.66
  5. Step 5: Solve for x
    x = 2,900,552,789,730.66/1,941,866.89
  6. Step 6: Final answer
    x = 1,493,692.90

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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.