Home / 1,621,399.34-2,237,753.39-933,057.09

Finding the Fourth Proportional to 1,621,399.34, 2,237,753.39 and 933,057.09

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Solution

The fourth proportional to 1,621,399.34, 2,237,753.39 and 933,057.09 is: 1,287,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,399.34 : 2,237,753.39 = 933,057.09 : x
  2. Step 2: Convert to fraction form
    1,621,399.34/2,237,753.39 = 933,057.09/x
  3. Step 3: Cross multiply
    1,621,399.34x = 2,237,753.39 × 933,057.09
  4. Step 4: Simplify right side
    1,621,399.34x = 2,087,951,661,545.75
  5. Step 5: Solve for x
    x = 2,087,951,661,545.75/1,621,399.34
  6. Step 6: Final answer
    x = 1,287,746.71

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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.