Home / 3,938,716.20-5,908,074.30-3,371,845.80

Finding the Fourth Proportional to 3,938,716.20, 5,908,074.30 and 3,371,845.80

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Solution

The fourth proportional to 3,938,716.20, 5,908,074.30 and 3,371,845.80 is: 5,057,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,716.20 : 5,908,074.30 = 3,371,845.80 : x
  2. Step 2: Convert to fraction form
    3,938,716.20/5,908,074.30 = 3,371,845.80/x
  3. Step 3: Cross multiply
    3,938,716.20x = 5,908,074.30 × 3,371,845.80
  4. Step 4: Simplify right side
    3,938,716.20x = 19,921,115,514,542.94
  5. Step 5: Solve for x
    x = 19,921,115,514,542.94/3,938,716.20
  6. Step 6: Final answer
    x = 5,057,768.70

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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.