Home / 3,642,621.29-5,022,144.30-2,986,831.21

Finding the Fourth Proportional to 3,642,621.29, 5,022,144.30 and 2,986,831.21

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Solution

The fourth proportional to 3,642,621.29, 5,022,144.30 and 2,986,831.21 is: 4,117,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,621.29 : 5,022,144.30 = 2,986,831.21 : x
  2. Step 2: Convert to fraction form
    3,642,621.29/5,022,144.30 = 2,986,831.21/x
  3. Step 3: Cross multiply
    3,642,621.29x = 5,022,144.30 × 2,986,831.21
  4. Step 4: Simplify right side
    3,642,621.29x = 15,000,297,336,363.60
  5. Step 5: Solve for x
    x = 15,000,297,336,363.60/3,642,621.29
  6. Step 6: Final answer
    x = 4,117,995.30

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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.