Home / 6,279,940.80-9,421,250.40-3,585,556.80

Finding the Fourth Proportional to 6,279,940.80, 9,421,250.40 and 3,585,556.80

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Solution

The fourth proportional to 6,279,940.80, 9,421,250.40 and 3,585,556.80 is: 5,379,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,940.80 : 9,421,250.40 = 3,585,556.80 : x
  2. Step 2: Convert to fraction form
    6,279,940.80/9,421,250.40 = 3,585,556.80/x
  3. Step 3: Cross multiply
    6,279,940.80x = 9,421,250.40 × 3,585,556.80
  4. Step 4: Simplify right side
    6,279,940.80x = 33,780,428,436,222.72
  5. Step 5: Solve for x
    x = 33,780,428,436,222.72/6,279,940.80
  6. Step 6: Final answer
    x = 5,379,099.82

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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.