Home / 2,265,991.45-3,127,335.20-1,272,723.02

Finding the Fourth Proportional to 2,265,991.45, 3,127,335.20 and 1,272,723.02

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Solution

The fourth proportional to 2,265,991.45, 3,127,335.20 and 1,272,723.02 is: 1,756,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,991.45 : 3,127,335.20 = 1,272,723.02 : x
  2. Step 2: Convert to fraction form
    2,265,991.45/3,127,335.20 = 1,272,723.02/x
  3. Step 3: Cross multiply
    2,265,991.45x = 3,127,335.20 × 1,272,723.02
  4. Step 4: Simplify right side
    2,265,991.45x = 3,980,231,493,932.69
  5. Step 5: Solve for x
    x = 3,980,231,493,932.69/2,265,991.45
  6. Step 6: Final answer
    x = 1,756,507.73

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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.