Home / 2,936,168.02-4,401,276.27-1,989,634.42

Finding the Fourth Proportional to 2,936,168.02, 4,401,276.27 and 1,989,634.42

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Solution

The fourth proportional to 2,936,168.02, 4,401,276.27 and 1,989,634.42 is: 2,982,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,168.02 : 4,401,276.27 = 1,989,634.42 : x
  2. Step 2: Convert to fraction form
    2,936,168.02/4,401,276.27 = 1,989,634.42/x
  3. Step 3: Cross multiply
    2,936,168.02x = 4,401,276.27 × 1,989,634.42
  4. Step 4: Simplify right side
    2,936,168.02x = 8,756,930,758,721.21
  5. Step 5: Solve for x
    x = 8,756,930,758,721.21/2,936,168.02
  6. Step 6: Final answer
    x = 2,982,435.17

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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.