Home / 3,171,274.29-4,376,361.33-1,720,969.74

Finding the Fourth Proportional to 3,171,274.29, 4,376,361.33 and 1,720,969.74

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Solution

The fourth proportional to 3,171,274.29, 4,376,361.33 and 1,720,969.74 is: 2,374,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,274.29 : 4,376,361.33 = 1,720,969.74 : x
  2. Step 2: Convert to fraction form
    3,171,274.29/4,376,361.33 = 1,720,969.74/x
  3. Step 3: Cross multiply
    3,171,274.29x = 4,376,361.33 × 1,720,969.74
  4. Step 4: Simplify right side
    3,171,274.29x = 7,531,585,420,236.15
  5. Step 5: Solve for x
    x = 7,531,585,420,236.15/3,171,274.29
  6. Step 6: Final answer
    x = 2,374,939.77

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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.