Home / 2,151,173.70-3,226,007.79-634,453.92

Finding the Fourth Proportional to 2,151,173.70, 3,226,007.79 and 634,453.92

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Solution

The fourth proportional to 2,151,173.70, 3,226,007.79 and 634,453.92 is: 951,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,173.70 : 3,226,007.79 = 634,453.92 : x
  2. Step 2: Convert to fraction form
    2,151,173.70/3,226,007.79 = 634,453.92/x
  3. Step 3: Cross multiply
    2,151,173.70x = 3,226,007.79 × 634,453.92
  4. Step 4: Simplify right side
    2,151,173.70x = 2,046,753,288,316.04
  5. Step 5: Solve for x
    x = 2,046,753,288,316.04/2,151,173.70
  6. Step 6: Final answer
    x = 951,458.87

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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.