Home / 3,687,839.38-5,077,637.40-3,135,468.82

Finding the Fourth Proportional to 3,687,839.38, 5,077,637.40 and 3,135,468.82

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Solution

The fourth proportional to 3,687,839.38, 5,077,637.40 and 3,135,468.82 is: 4,317,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,839.38 : 5,077,637.40 = 3,135,468.82 : x
  2. Step 2: Convert to fraction form
    3,687,839.38/5,077,637.40 = 3,135,468.82/x
  3. Step 3: Cross multiply
    3,687,839.38x = 5,077,637.40 × 3,135,468.82
  4. Step 4: Simplify right side
    3,687,839.38x = 15,920,773,746,965.87
  5. Step 5: Solve for x
    x = 15,920,773,746,965.87/3,687,839.38
  6. Step 6: Final answer
    x = 4,317,100.64

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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.