Home / 3,238,290.79-4,468,857.56-1,787,989.03

Finding the Fourth Proportional to 3,238,290.79, 4,468,857.56 and 1,787,989.03

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Solution

The fourth proportional to 3,238,290.79, 4,468,857.56 and 1,787,989.03 is: 2,467,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,290.79 : 4,468,857.56 = 1,787,989.03 : x
  2. Step 2: Convert to fraction form
    3,238,290.79/4,468,857.56 = 1,787,989.03/x
  3. Step 3: Cross multiply
    3,238,290.79x = 4,468,857.56 × 1,787,989.03
  4. Step 4: Simplify right side
    3,238,290.79x = 7,990,268,284,972.62
  5. Step 5: Solve for x
    x = 7,990,268,284,972.62/3,238,290.79
  6. Step 6: Final answer
    x = 2,467,433.84

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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.