Home / 2,072,868-2,861,273.76-1,213,704.48

Finding the Fourth Proportional to 2,072,868, 2,861,273.76 and 1,213,704.48

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Solution

The fourth proportional to 2,072,868, 2,861,273.76 and 1,213,704.48 is: 1,675,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,868 : 2,861,273.76 = 1,213,704.48 : x
  2. Step 2: Convert to fraction form
    2,072,868/2,861,273.76 = 1,213,704.48/x
  3. Step 3: Cross multiply
    2,072,868x = 2,861,273.76 × 1,213,704.48
  4. Step 4: Simplify right side
    2,072,868x = 3,472,740,781,018.44
  5. Step 5: Solve for x
    x = 3,472,740,781,018.44/2,072,868
  6. Step 6: Final answer
    x = 1,675,331.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.