Home / 3,945,361.41-5,448,359.01-3,730,419.78

Finding the Fourth Proportional to 3,945,361.41, 5,448,359.01 and 3,730,419.78

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Solution

The fourth proportional to 3,945,361.41, 5,448,359.01 and 3,730,419.78 is: 5,151,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,361.41 : 5,448,359.01 = 3,730,419.78 : x
  2. Step 2: Convert to fraction form
    3,945,361.41/5,448,359.01 = 3,730,419.78/x
  3. Step 3: Cross multiply
    3,945,361.41x = 5,448,359.01 × 3,730,419.78
  4. Step 4: Simplify right side
    3,945,361.41x = 20,324,666,219,445.21
  5. Step 5: Solve for x
    x = 20,324,666,219,445.21/3,945,361.41
  6. Step 6: Final answer
    x = 5,151,534.70

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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.