Home / 5,214,384.30-7,821,576.45-3,422,793.90

Finding the Fourth Proportional to 5,214,384.30, 7,821,576.45 and 3,422,793.90

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Solution

The fourth proportional to 5,214,384.30, 7,821,576.45 and 3,422,793.90 is: 5,134,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,384.30 : 7,821,576.45 = 3,422,793.90 : x
  2. Step 2: Convert to fraction form
    5,214,384.30/7,821,576.45 = 3,422,793.90/x
  3. Step 3: Cross multiply
    5,214,384.30x = 7,821,576.45 × 3,422,793.90
  4. Step 4: Simplify right side
    5,214,384.30x = 26,771,644,161,443.66
  5. Step 5: Solve for x
    x = 26,771,644,161,443.66/5,214,384.30
  6. Step 6: Final answer
    x = 5,134,190.85

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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.