Home / 3,839,872.16-5,760,213.08-1,280,194.90

Finding the Fourth Proportional to 3,839,872.16, 5,760,213.08 and 1,280,194.90

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Solution

The fourth proportional to 3,839,872.16, 5,760,213.08 and 1,280,194.90 is: 1,920,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,872.16 : 5,760,213.08 = 1,280,194.90 : x
  2. Step 2: Convert to fraction form
    3,839,872.16/5,760,213.08 = 1,280,194.90/x
  3. Step 3: Cross multiply
    3,839,872.16x = 5,760,213.08 × 1,280,194.90
  4. Step 4: Simplify right side
    3,839,872.16x = 7,374,195,387,127.79
  5. Step 5: Solve for x
    x = 7,374,195,387,127.79/3,839,872.16
  6. Step 6: Final answer
    x = 1,920,427.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.