Home / 1,947,791.16-2,687,965.31-1,088,387.64

Finding the Fourth Proportional to 1,947,791.16, 2,687,965.31 and 1,088,387.64

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Solution

The fourth proportional to 1,947,791.16, 2,687,965.31 and 1,088,387.64 is: 1,501,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,791.16 : 2,687,965.31 = 1,088,387.64 : x
  2. Step 2: Convert to fraction form
    1,947,791.16/2,687,965.31 = 1,088,387.64/x
  3. Step 3: Cross multiply
    1,947,791.16x = 2,687,965.31 × 1,088,387.64
  4. Step 4: Simplify right side
    1,947,791.16x = 2,925,548,214,710.83
  5. Step 5: Solve for x
    x = 2,925,548,214,710.83/1,947,791.16
  6. Step 6: Final answer
    x = 1,501,982.49

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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.