Home / 3,880,243.22-5,354,829.33-2,161,391.78

Finding the Fourth Proportional to 3,880,243.22, 5,354,829.33 and 2,161,391.78

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Solution

The fourth proportional to 3,880,243.22, 5,354,829.33 and 2,161,391.78 is: 2,982,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,243.22 : 5,354,829.33 = 2,161,391.78 : x
  2. Step 2: Convert to fraction form
    3,880,243.22/5,354,829.33 = 2,161,391.78/x
  3. Step 3: Cross multiply
    3,880,243.22x = 5,354,829.33 × 2,161,391.78
  4. Step 4: Simplify right side
    3,880,243.22x = 11,573,884,097,164.91
  5. Step 5: Solve for x
    x = 11,573,884,097,164.91/3,880,243.22
  6. Step 6: Final answer
    x = 2,982,772.84

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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.