Home / 2,188,478.72-3,282,906-768,412.64

Finding the Fourth Proportional to 2,188,478.72, 3,282,906 and 768,412.64

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Solution

The fourth proportional to 2,188,478.72, 3,282,906 and 768,412.64 is: 1,152,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,478.72 : 3,282,906 = 768,412.64 : x
  2. Step 2: Convert to fraction form
    2,188,478.72/3,282,906 = 768,412.64/x
  3. Step 3: Cross multiply
    2,188,478.72x = 3,282,906 × 768,412.64
  4. Step 4: Simplify right side
    2,188,478.72x = 2,522,626,466,331.84
  5. Step 5: Solve for x
    x = 2,522,626,466,331.84/2,188,478.72
  6. Step 6: Final answer
    x = 1,152,684.94

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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.