Home / 5,479,837.20-8,220,922.20-1,693,702.80

Finding the Fourth Proportional to 5,479,837.20, 8,220,922.20 and 1,693,702.80

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Solution

The fourth proportional to 5,479,837.20, 8,220,922.20 and 1,693,702.80 is: 2,540,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,837.20 : 8,220,922.20 = 1,693,702.80 : x
  2. Step 2: Convert to fraction form
    5,479,837.20/8,220,922.20 = 1,693,702.80/x
  3. Step 3: Cross multiply
    5,479,837.20x = 8,220,922.20 × 1,693,702.80
  4. Step 4: Simplify right side
    5,479,837.20x = 13,923,798,948,722.16
  5. Step 5: Solve for x
    x = 13,923,798,948,722.16/5,479,837.20
  6. Step 6: Final answer
    x = 2,540,914.71

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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.