Home / 5,479,306.90-8,211,097.17-3,078,097.54

Finding the Fourth Proportional to 5,479,306.90, 8,211,097.17 and 3,078,097.54

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Solution

The fourth proportional to 5,479,306.90, 8,211,097.17 and 3,078,097.54 is: 4,612,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,306.90 : 8,211,097.17 = 3,078,097.54 : x
  2. Step 2: Convert to fraction form
    5,479,306.90/8,211,097.17 = 3,078,097.54/x
  3. Step 3: Cross multiply
    5,479,306.90x = 8,211,097.17 × 3,078,097.54
  4. Step 4: Simplify right side
    5,479,306.90x = 25,274,557,979,150.22
  5. Step 5: Solve for x
    x = 25,274,557,979,150.22/5,479,306.90
  6. Step 6: Final answer
    x = 4,612,729.03

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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.