Home / 2,751,224.10-3,790,443.86-2,128,889.54

Finding the Fourth Proportional to 2,751,224.10, 3,790,443.86 and 2,128,889.54

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Solution

The fourth proportional to 2,751,224.10, 3,790,443.86 and 2,128,889.54 is: 2,933,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,224.10 : 3,790,443.86 = 2,128,889.54 : x
  2. Step 2: Convert to fraction form
    2,751,224.10/3,790,443.86 = 2,128,889.54/x
  3. Step 3: Cross multiply
    2,751,224.10x = 3,790,443.86 × 2,128,889.54
  4. Step 4: Simplify right side
    2,751,224.10x = 8,069,436,285,511.23
  5. Step 5: Solve for x
    x = 8,069,436,285,511.23/2,751,224.10
  6. Step 6: Final answer
    x = 2,933,034.89

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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.