Home / 2,137,268.61-2,949,342.03-1,170,382.23

Finding the Fourth Proportional to 2,137,268.61, 2,949,342.03 and 1,170,382.23

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Solution

The fourth proportional to 2,137,268.61, 2,949,342.03 and 1,170,382.23 is: 1,615,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,268.61 : 2,949,342.03 = 1,170,382.23 : x
  2. Step 2: Convert to fraction form
    2,137,268.61/2,949,342.03 = 1,170,382.23/x
  3. Step 3: Cross multiply
    2,137,268.61x = 2,949,342.03 × 1,170,382.23
  4. Step 4: Simplify right side
    2,137,268.61x = 3,451,857,502,104.13
  5. Step 5: Solve for x
    x = 3,451,857,502,104.13/2,137,268.61
  6. Step 6: Final answer
    x = 1,615,078.93

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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.