Home / 2,232,436.80-3,346,629.92-811,489.28

Finding the Fourth Proportional to 2,232,436.80, 3,346,629.92 and 811,489.28

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Solution

The fourth proportional to 2,232,436.80, 3,346,629.92 and 811,489.28 is: 1,216,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232,436.80 : 3,346,629.92 = 811,489.28 : x
  2. Step 2: Convert to fraction form
    2,232,436.80/3,346,629.92 = 811,489.28/x
  3. Step 3: Cross multiply
    2,232,436.80x = 3,346,629.92 × 811,489.28
  4. Step 4: Simplify right side
    2,232,436.80x = 2,715,754,304,207.26
  5. Step 5: Solve for x
    x = 2,715,754,304,207.26/2,232,436.80
  6. Step 6: Final answer
    x = 1,216,497.73

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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.