Home / 5,432,859.20-8,149,288.80-3,280,523.15

Finding the Fourth Proportional to 5,432,859.20, 8,149,288.80 and 3,280,523.15

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Solution

The fourth proportional to 5,432,859.20, 8,149,288.80 and 3,280,523.15 is: 4,920,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,859.20 : 8,149,288.80 = 3,280,523.15 : x
  2. Step 2: Convert to fraction form
    5,432,859.20/8,149,288.80 = 3,280,523.15/x
  3. Step 3: Cross multiply
    5,432,859.20x = 8,149,288.80 × 3,280,523.15
  4. Step 4: Simplify right side
    5,432,859.20x = 26,733,930,564,435.72
  5. Step 5: Solve for x
    x = 26,733,930,564,435.72/5,432,859.20
  6. Step 6: Final answer
    x = 4,920,784.73

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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.