Home / 3,085,645.78-4,631,453.79-1,489,332.34

Finding the Fourth Proportional to 3,085,645.78, 4,631,453.79 and 1,489,332.34

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Solution

The fourth proportional to 3,085,645.78, 4,631,453.79 and 1,489,332.34 is: 2,235,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,645.78 : 4,631,453.79 = 1,489,332.34 : x
  2. Step 2: Convert to fraction form
    3,085,645.78/4,631,453.79 = 1,489,332.34/x
  3. Step 3: Cross multiply
    3,085,645.78x = 4,631,453.79 × 1,489,332.34
  4. Step 4: Simplify right side
    3,085,645.78x = 6,897,773,910,662.57
  5. Step 5: Solve for x
    x = 6,897,773,910,662.57/3,085,645.78
  6. Step 6: Final answer
    x = 2,235,439.32

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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.