Home / 5,211,907.88-7,192,863.72-2,889,529.04

Finding the Fourth Proportional to 5,211,907.88, 7,192,863.72 and 2,889,529.04

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Solution

The fourth proportional to 5,211,907.88, 7,192,863.72 and 2,889,529.04 is: 3,987,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,907.88 : 7,192,863.72 = 2,889,529.04 : x
  2. Step 2: Convert to fraction form
    5,211,907.88/7,192,863.72 = 2,889,529.04/x
  3. Step 3: Cross multiply
    5,211,907.88x = 7,192,863.72 × 2,889,529.04
  4. Step 4: Simplify right side
    5,211,907.88x = 20,783,988,599,702.43
  5. Step 5: Solve for x
    x = 20,783,988,599,702.43/5,211,907.88
  6. Step 6: Final answer
    x = 3,987,788.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.