Home / 3,909,679.84-5,395,354.68-2,167,460.56

Finding the Fourth Proportional to 3,909,679.84, 5,395,354.68 and 2,167,460.56

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Solution

The fourth proportional to 3,909,679.84, 5,395,354.68 and 2,167,460.56 is: 2,991,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,679.84 : 5,395,354.68 = 2,167,460.56 : x
  2. Step 2: Convert to fraction form
    3,909,679.84/5,395,354.68 = 2,167,460.56/x
  3. Step 3: Cross multiply
    3,909,679.84x = 5,395,354.68 × 2,167,460.56
  4. Step 4: Simplify right side
    3,909,679.84x = 11,694,218,476,111.42
  5. Step 5: Solve for x
    x = 11,694,218,476,111.42/3,909,679.84
  6. Step 6: Final answer
    x = 2,991,093.63

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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.