Home / 2,182,621.28-3,011,862.48-1,202,516.96

Finding the Fourth Proportional to 2,182,621.28, 3,011,862.48 and 1,202,516.96

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Solution

The fourth proportional to 2,182,621.28, 3,011,862.48 and 1,202,516.96 is: 1,659,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,621.28 : 3,011,862.48 = 1,202,516.96 : x
  2. Step 2: Convert to fraction form
    2,182,621.28/3,011,862.48 = 1,202,516.96/x
  3. Step 3: Cross multiply
    2,182,621.28x = 3,011,862.48 × 1,202,516.96
  4. Step 4: Simplify right side
    2,182,621.28x = 3,621,815,713,387.66
  5. Step 5: Solve for x
    x = 3,621,815,713,387.66/2,182,621.28
  6. Step 6: Final answer
    x = 1,659,388.07

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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.