Home / 3,784,740.72-5,222,162.52-2,174,797.68

Finding the Fourth Proportional to 3,784,740.72, 5,222,162.52 and 2,174,797.68

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Solution

The fourth proportional to 3,784,740.72, 5,222,162.52 and 2,174,797.68 is: 3,000,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,740.72 : 5,222,162.52 = 2,174,797.68 : x
  2. Step 2: Convert to fraction form
    3,784,740.72/5,222,162.52 = 2,174,797.68/x
  3. Step 3: Cross multiply
    3,784,740.72x = 5,222,162.52 × 2,174,797.68
  4. Step 4: Simplify right side
    3,784,740.72x = 11,357,146,933,078.95
  5. Step 5: Solve for x
    x = 11,357,146,933,078.95/3,784,740.72
  6. Step 6: Final answer
    x = 3,000,772.78

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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.