Home / 2,538,646.78-3,809,788.29-1,080,715.36

Finding the Fourth Proportional to 2,538,646.78, 3,809,788.29 and 1,080,715.36

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Solution

The fourth proportional to 2,538,646.78, 3,809,788.29 and 1,080,715.36 is: 1,621,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,646.78 : 3,809,788.29 = 1,080,715.36 : x
  2. Step 2: Convert to fraction form
    2,538,646.78/3,809,788.29 = 1,080,715.36/x
  3. Step 3: Cross multiply
    2,538,646.78x = 3,809,788.29 × 1,080,715.36
  4. Step 4: Simplify right side
    2,538,646.78x = 4,117,296,723,351.14
  5. Step 5: Solve for x
    x = 4,117,296,723,351.14/2,538,646.78
  6. Step 6: Final answer
    x = 1,621,847.02

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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.