Home / 3,986,941.08-5,509,175.67-2,839,028.52

Finding the Fourth Proportional to 3,986,941.08, 5,509,175.67 and 2,839,028.52

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Solution

The fourth proportional to 3,986,941.08, 5,509,175.67 and 2,839,028.52 is: 3,922,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,941.08 : 5,509,175.67 = 2,839,028.52 : x
  2. Step 2: Convert to fraction form
    3,986,941.08/5,509,175.67 = 2,839,028.52/x
  3. Step 3: Cross multiply
    3,986,941.08x = 5,509,175.67 × 2,839,028.52
  4. Step 4: Simplify right side
    3,986,941.08x = 15,640,706,848,820.11
  5. Step 5: Solve for x
    x = 15,640,706,848,820.11/3,986,941.08
  6. Step 6: Final answer
    x = 3,922,984.20

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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.