Home / 5,479,833.20-8,220,916.20-1,693,698.80

Finding the Fourth Proportional to 5,479,833.20, 8,220,916.20 and 1,693,698.80

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Solution

The fourth proportional to 5,479,833.20, 8,220,916.20 and 1,693,698.80 is: 2,540,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,833.20 : 8,220,916.20 = 1,693,698.80 : x
  2. Step 2: Convert to fraction form
    5,479,833.20/8,220,916.20 = 1,693,698.80/x
  3. Step 3: Cross multiply
    5,479,833.20x = 8,220,916.20 × 1,693,698.80
  4. Step 4: Simplify right side
    5,479,833.20x = 13,923,755,902,840.56
  5. Step 5: Solve for x
    x = 13,923,755,902,840.56/5,479,833.20
  6. Step 6: Final answer
    x = 2,540,908.71

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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.