Home / 2,137,318.80-3,198,979.80-1,661,427.60

Finding the Fourth Proportional to 2,137,318.80, 3,198,979.80 and 1,661,427.60

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Solution

The fourth proportional to 2,137,318.80, 3,198,979.80 and 1,661,427.60 is: 2,486,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,318.80 : 3,198,979.80 = 1,661,427.60 : x
  2. Step 2: Convert to fraction form
    2,137,318.80/3,198,979.80 = 1,661,427.60/x
  3. Step 3: Cross multiply
    2,137,318.80x = 3,198,979.80 × 1,661,427.60
  4. Step 4: Simplify right side
    2,137,318.80x = 5,314,873,331,562.48
  5. Step 5: Solve for x
    x = 5,314,873,331,562.48/2,137,318.80
  6. Step 6: Final answer
    x = 2,486,701.25

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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.