Home / 3,989,841.71-5,505,987.66-2,270,962.22

Finding the Fourth Proportional to 3,989,841.71, 5,505,987.66 and 2,270,962.22

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Solution

The fourth proportional to 3,989,841.71, 5,505,987.66 and 2,270,962.22 is: 3,133,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,841.71 : 5,505,987.66 = 2,270,962.22 : x
  2. Step 2: Convert to fraction form
    3,989,841.71/5,505,987.66 = 2,270,962.22/x
  3. Step 3: Cross multiply
    3,989,841.71x = 5,505,987.66 × 2,270,962.22
  4. Step 4: Simplify right side
    3,989,841.71x = 12,503,889,954,571.34
  5. Step 5: Solve for x
    x = 12,503,889,954,571.34/3,989,841.71
  6. Step 6: Final answer
    x = 3,133,931.34

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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.