Home / 5,760,520.20-8,640,780.30-5,494,799.70

Finding the Fourth Proportional to 5,760,520.20, 8,640,780.30 and 5,494,799.70

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Solution

The fourth proportional to 5,760,520.20, 8,640,780.30 and 5,494,799.70 is: 8,242,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,520.20 : 8,640,780.30 = 5,494,799.70 : x
  2. Step 2: Convert to fraction form
    5,760,520.20/8,640,780.30 = 5,494,799.70/x
  3. Step 3: Cross multiply
    5,760,520.20x = 8,640,780.30 × 5,494,799.70
  4. Step 4: Simplify right side
    5,760,520.20x = 47,479,357,000,205.91
  5. Step 5: Solve for x
    x = 47,479,357,000,205.91/5,760,520.20
  6. Step 6: Final answer
    x = 8,242,199.55

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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.