Home / 3,887,998.20-5,831,997.30-3,636,055.80

Finding the Fourth Proportional to 3,887,998.20, 5,831,997.30 and 3,636,055.80

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Solution

The fourth proportional to 3,887,998.20, 5,831,997.30 and 3,636,055.80 is: 5,454,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,998.20 : 5,831,997.30 = 3,636,055.80 : x
  2. Step 2: Convert to fraction form
    3,887,998.20/5,831,997.30 = 3,636,055.80/x
  3. Step 3: Cross multiply
    3,887,998.20x = 5,831,997.30 × 3,636,055.80
  4. Step 4: Simplify right side
    3,887,998.20x = 21,205,467,608,249.34
  5. Step 5: Solve for x
    x = 21,205,467,608,249.34/3,887,998.20
  6. Step 6: Final answer
    x = 5,454,083.70

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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.