Home / 5,328,212.80-7,992,319.20-3,627,601.60

Finding the Fourth Proportional to 5,328,212.80, 7,992,319.20 and 3,627,601.60

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Solution

The fourth proportional to 5,328,212.80, 7,992,319.20 and 3,627,601.60 is: 5,441,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,212.80 : 7,992,319.20 = 3,627,601.60 : x
  2. Step 2: Convert to fraction form
    5,328,212.80/7,992,319.20 = 3,627,601.60/x
  3. Step 3: Cross multiply
    5,328,212.80x = 7,992,319.20 × 3,627,601.60
  4. Step 4: Simplify right side
    5,328,212.80x = 28,992,949,917,630.72
  5. Step 5: Solve for x
    x = 28,992,949,917,630.72/5,328,212.80
  6. Step 6: Final answer
    x = 5,441,402.40

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1.5x scale

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.