Home / 3,887,998.20-5,827,331.70-1,993,764.60

Finding the Fourth Proportional to 3,887,998.20, 5,827,331.70 and 1,993,764.60

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Solution

The fourth proportional to 3,887,998.20, 5,827,331.70 and 1,993,764.60 is: 2,988,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,998.20 : 5,827,331.70 = 1,993,764.60 : x
  2. Step 2: Convert to fraction form
    3,887,998.20/5,827,331.70 = 1,993,764.60/x
  3. Step 3: Cross multiply
    3,887,998.20x = 5,827,331.70 × 1,993,764.60
  4. Step 4: Simplify right side
    3,887,998.20x = 11,618,327,655,917.82
  5. Step 5: Solve for x
    x = 11,618,327,655,917.82/3,887,998.20
  6. Step 6: Final answer
    x = 2,988,254.38

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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.