Home / 4,741,821.72-7,112,732.85-1,147,589.28

Finding the Fourth Proportional to 4,741,821.72, 7,112,732.85 and 1,147,589.28

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Solution

The fourth proportional to 4,741,821.72, 7,112,732.85 and 1,147,589.28 is: 1,721,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741,821.72 : 7,112,732.85 = 1,147,589.28 : x
  2. Step 2: Convert to fraction form
    4,741,821.72/7,112,732.85 = 1,147,589.28/x
  3. Step 3: Cross multiply
    4,741,821.72x = 7,112,732.85 × 1,147,589.28
  4. Step 4: Simplify right side
    4,741,821.72x = 8,162,495,970,163.85
  5. Step 5: Solve for x
    x = 8,162,495,970,163.85/4,741,821.72
  6. Step 6: Final answer
    x = 1,721,383.99

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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.