Home / 2,981,942.10-4,462,415.55-2,729,999.70

Finding the Fourth Proportional to 2,981,942.10, 4,462,415.55 and 2,729,999.70

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Solution

The fourth proportional to 2,981,942.10, 4,462,415.55 and 2,729,999.70 is: 4,085,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,942.10 : 4,462,415.55 = 2,729,999.70 : x
  2. Step 2: Convert to fraction form
    2,981,942.10/4,462,415.55 = 2,729,999.70/x
  3. Step 3: Cross multiply
    2,981,942.10x = 4,462,415.55 × 2,729,999.70
  4. Step 4: Simplify right side
    2,981,942.10x = 12,182,393,112,775.34
  5. Step 5: Solve for x
    x = 12,182,393,112,775.34/2,981,942.10
  6. Step 6: Final answer
    x = 4,085,388.89

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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.