Home / 3,279,020.40-4,915,906.20-1,384,203.60

Finding the Fourth Proportional to 3,279,020.40, 4,915,906.20 and 1,384,203.60

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Solution

The fourth proportional to 3,279,020.40, 4,915,906.20 and 1,384,203.60 is: 2,075,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,020.40 : 4,915,906.20 = 1,384,203.60 : x
  2. Step 2: Convert to fraction form
    3,279,020.40/4,915,906.20 = 1,384,203.60/x
  3. Step 3: Cross multiply
    3,279,020.40x = 4,915,906.20 × 1,384,203.60
  4. Step 4: Simplify right side
    3,279,020.40x = 6,804,615,059,302.32
  5. Step 5: Solve for x
    x = 6,804,615,059,302.32/3,279,020.40
  6. Step 6: Final answer
    x = 2,075,197.54

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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.