Home / 2,538,645.78-3,809,786.79-1,080,714.36

Finding the Fourth Proportional to 2,538,645.78, 3,809,786.79 and 1,080,714.36

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Solution

The fourth proportional to 2,538,645.78, 3,809,786.79 and 1,080,714.36 is: 1,621,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,645.78 : 3,809,786.79 = 1,080,714.36 : x
  2. Step 2: Convert to fraction form
    2,538,645.78/3,809,786.79 = 1,080,714.36/x
  3. Step 3: Cross multiply
    2,538,645.78x = 3,809,786.79 × 1,080,714.36
  4. Step 4: Simplify right side
    2,538,645.78x = 4,117,291,292,491.31
  5. Step 5: Solve for x
    x = 4,117,291,292,491.31/2,538,645.78
  6. Step 6: Final answer
    x = 1,621,845.52

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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.