Home / 2,918,209.54-3,997,928.44-2,809,081.98

Finding the Fourth Proportional to 2,918,209.54, 3,997,928.44 and 2,809,081.98

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Solution

The fourth proportional to 2,918,209.54, 3,997,928.44 and 2,809,081.98 is: 3,848,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,209.54 : 3,997,928.44 = 2,809,081.98 : x
  2. Step 2: Convert to fraction form
    2,918,209.54/3,997,928.44 = 2,809,081.98/x
  3. Step 3: Cross multiply
    2,918,209.54x = 3,997,928.44 × 2,809,081.98
  4. Step 4: Simplify right side
    2,918,209.54x = 11,230,508,731,110.81
  5. Step 5: Solve for x
    x = 11,230,508,731,110.81/2,918,209.54
  6. Step 6: Final answer
    x = 3,848,424.38

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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.