Home / 2,918,220.04-3,997,942.78-2,809,092.48

Finding the Fourth Proportional to 2,918,220.04, 3,997,942.78 and 2,809,092.48

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Solution

The fourth proportional to 2,918,220.04, 3,997,942.78 and 2,809,092.48 is: 3,848,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,220.04 : 3,997,942.78 = 2,809,092.48 : x
  2. Step 2: Convert to fraction form
    2,918,220.04/3,997,942.78 = 2,809,092.48/x
  3. Step 3: Cross multiply
    2,918,220.04x = 3,997,942.78 × 2,809,092.48
  4. Step 4: Simplify right side
    2,918,220.04x = 11,230,590,998,768.29
  5. Step 5: Solve for x
    x = 11,230,590,998,768.29/2,918,220.04
  6. Step 6: Final answer
    x = 3,848,438.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.