Home / 5,189,409.94-7,161,398.38-2,897,652.64

Finding the Fourth Proportional to 5,189,409.94, 7,161,398.38 and 2,897,652.64

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Solution

The fourth proportional to 5,189,409.94, 7,161,398.38 and 2,897,652.64 is: 3,998,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,409.94 : 7,161,398.38 = 2,897,652.64 : x
  2. Step 2: Convert to fraction form
    5,189,409.94/7,161,398.38 = 2,897,652.64/x
  3. Step 3: Cross multiply
    5,189,409.94x = 7,161,398.38 × 2,897,652.64
  4. Step 4: Simplify right side
    5,189,409.94x = 20,751,244,921,898.72
  5. Step 5: Solve for x
    x = 20,751,244,921,898.72/5,189,409.94
  6. Step 6: Final answer
    x = 3,998,767.71

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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.