Home / 3,279,021.40-4,915,907.70-1,384,204.60

Finding the Fourth Proportional to 3,279,021.40, 4,915,907.70 and 1,384,204.60

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Solution

The fourth proportional to 3,279,021.40, 4,915,907.70 and 1,384,204.60 is: 2,075,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,021.40 : 4,915,907.70 = 1,384,204.60 : x
  2. Step 2: Convert to fraction form
    3,279,021.40/4,915,907.70 = 1,384,204.60/x
  3. Step 3: Cross multiply
    3,279,021.40x = 4,915,907.70 × 1,384,204.60
  4. Step 4: Simplify right side
    3,279,021.40x = 6,804,622,051,515.42
  5. Step 5: Solve for x
    x = 6,804,622,051,515.42/3,279,021.40
  6. Step 6: Final answer
    x = 2,075,199.04

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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.