Home / 3,608,302.35-4,979,456.96-2,157,997.75

Finding the Fourth Proportional to 3,608,302.35, 4,979,456.96 and 2,157,997.75

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Solution

The fourth proportional to 3,608,302.35, 4,979,456.96 and 2,157,997.75 is: 2,978,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,302.35 : 4,979,456.96 = 2,157,997.75 : x
  2. Step 2: Convert to fraction form
    3,608,302.35/4,979,456.96 = 2,157,997.75/x
  3. Step 3: Cross multiply
    3,608,302.35x = 4,979,456.96 × 2,157,997.75
  4. Step 4: Simplify right side
    3,608,302.35x = 10,745,656,911,336.17
  5. Step 5: Solve for x
    x = 10,745,656,911,336.17/3,608,302.35
  6. Step 6: Final answer
    x = 2,978,036.73

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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.