Home / 3,171,274.67-4,376,361.85-1,720,970.12

Finding the Fourth Proportional to 3,171,274.67, 4,376,361.85 and 1,720,970.12

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Solution

The fourth proportional to 3,171,274.67, 4,376,361.85 and 1,720,970.12 is: 2,374,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,274.67 : 4,376,361.85 = 1,720,970.12 : x
  2. Step 2: Convert to fraction form
    3,171,274.67/4,376,361.85 = 1,720,970.12/x
  3. Step 3: Cross multiply
    3,171,274.67x = 4,376,361.85 × 1,720,970.12
  4. Step 4: Simplify right side
    3,171,274.67x = 7,531,587,951,973.69
  5. Step 5: Solve for x
    x = 7,531,587,951,973.69/3,171,274.67
  6. Step 6: Final answer
    x = 2,374,940.28

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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.