Home / 3,825,890.92-5,279,677.64-2,172,023

Finding the Fourth Proportional to 3,825,890.92, 5,279,677.64 and 2,172,023

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Solution

The fourth proportional to 3,825,890.92, 5,279,677.64 and 2,172,023 is: 2,997,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,890.92 : 5,279,677.64 = 2,172,023 : x
  2. Step 2: Convert to fraction form
    3,825,890.92/5,279,677.64 = 2,172,023/x
  3. Step 3: Cross multiply
    3,825,890.92x = 5,279,677.64 × 2,172,023
  4. Step 4: Simplify right side
    3,825,890.92x = 11,467,581,266,665.72
  5. Step 5: Solve for x
    x = 11,467,581,266,665.72/3,825,890.92
  6. Step 6: Final answer
    x = 2,997,362.32

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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.