Home / 3,937,969.80-5,906,954.70-1,098,077.40

Finding the Fourth Proportional to 3,937,969.80, 5,906,954.70 and 1,098,077.40

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Solution

The fourth proportional to 3,937,969.80, 5,906,954.70 and 1,098,077.40 is: 1,647,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,969.80 : 5,906,954.70 = 1,098,077.40 : x
  2. Step 2: Convert to fraction form
    3,937,969.80/5,906,954.70 = 1,098,077.40/x
  3. Step 3: Cross multiply
    3,937,969.80x = 5,906,954.70 × 1,098,077.40
  4. Step 4: Simplify right side
    3,937,969.80x = 6,486,293,458,893.78
  5. Step 5: Solve for x
    x = 6,486,293,458,893.78/3,937,969.80
  6. Step 6: Final answer
    x = 1,647,116.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.