Home / 2,188,479.72-3,282,907.50-768,413.64

Finding the Fourth Proportional to 2,188,479.72, 3,282,907.50 and 768,413.64

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Solution

The fourth proportional to 2,188,479.72, 3,282,907.50 and 768,413.64 is: 1,152,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,479.72 : 3,282,907.50 = 768,413.64 : x
  2. Step 2: Convert to fraction form
    2,188,479.72/3,282,907.50 = 768,413.64/x
  3. Step 3: Cross multiply
    2,188,479.72x = 3,282,907.50 × 768,413.64
  4. Step 4: Simplify right side
    2,188,479.72x = 2,522,630,901,858.30
  5. Step 5: Solve for x
    x = 2,522,630,901,858.30/2,188,479.72
  6. Step 6: Final answer
    x = 1,152,686.44

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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.