Home / 3,085,178.20-4,627,012.20-1,288,076.56

Finding the Fourth Proportional to 3,085,178.20, 4,627,012.20 and 1,288,076.56

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Solution

The fourth proportional to 3,085,178.20, 4,627,012.20 and 1,288,076.56 is: 1,931,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,178.20 : 4,627,012.20 = 1,288,076.56 : x
  2. Step 2: Convert to fraction form
    3,085,178.20/4,627,012.20 = 1,288,076.56/x
  3. Step 3: Cross multiply
    3,085,178.20x = 4,627,012.20 × 1,288,076.56
  4. Step 4: Simplify right side
    3,085,178.20x = 5,959,945,957,654.03
  5. Step 5: Solve for x
    x = 5,959,945,957,654.03/3,085,178.20
  6. Step 6: Final answer
    x = 1,931,799.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.