Home / 3,836,590.82-5,294,495.85-2,117,711.69

Finding the Fourth Proportional to 3,836,590.82, 5,294,495.85 and 2,117,711.69

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Solution

The fourth proportional to 3,836,590.82, 5,294,495.85 and 2,117,711.69 is: 2,922,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,590.82 : 5,294,495.85 = 2,117,711.69 : x
  2. Step 2: Convert to fraction form
    3,836,590.82/5,294,495.85 = 2,117,711.69/x
  3. Step 3: Cross multiply
    3,836,590.82x = 5,294,495.85 × 2,117,711.69
  4. Step 4: Simplify right side
    3,836,590.82x = 11,212,215,754,201.49
  5. Step 5: Solve for x
    x = 11,212,215,754,201.49/3,836,590.82
  6. Step 6: Final answer
    x = 2,922,442.42

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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.