Home / 1,815,943.61-2,505,402.34-1,171,791.92

Finding the Fourth Proportional to 1,815,943.61, 2,505,402.34 and 1,171,791.92

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Solution

The fourth proportional to 1,815,943.61, 2,505,402.34 and 1,171,791.92 is: 1,616,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,943.61 : 2,505,402.34 = 1,171,791.92 : x
  2. Step 2: Convert to fraction form
    1,815,943.61/2,505,402.34 = 1,171,791.92/x
  3. Step 3: Cross multiply
    1,815,943.61x = 2,505,402.34 × 1,171,791.92
  4. Step 4: Simplify right side
    1,815,943.61x = 2,935,810,202,904.60
  5. Step 5: Solve for x
    x = 2,935,810,202,904.60/1,815,943.61
  6. Step 6: Final answer
    x = 1,616,685.78

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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.