Home / 3,883,735.78-5,359,443.81-2,164,819.39

Finding the Fourth Proportional to 3,883,735.78, 5,359,443.81 and 2,164,819.39

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Solution

The fourth proportional to 3,883,735.78, 5,359,443.81 and 2,164,819.39 is: 2,987,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883,735.78 : 5,359,443.81 = 2,164,819.39 : x
  2. Step 2: Convert to fraction form
    3,883,735.78/5,359,443.81 = 2,164,819.39/x
  3. Step 3: Cross multiply
    3,883,735.78x = 5,359,443.81 × 2,164,819.39
  4. Step 4: Simplify right side
    3,883,735.78x = 11,602,227,879,503.48
  5. Step 5: Solve for x
    x = 11,602,227,879,503.48/3,883,735.78
  6. Step 6: Final answer
    x = 2,987,388.57

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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.