Home / 3,431,735.03-5,142,280.65-1,988,839.62

Finding the Fourth Proportional to 3,431,735.03, 5,142,280.65 and 1,988,839.62

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Solution

The fourth proportional to 3,431,735.03, 5,142,280.65 and 1,988,839.62 is: 2,980,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,735.03 : 5,142,280.65 = 1,988,839.62 : x
  2. Step 2: Convert to fraction form
    3,431,735.03/5,142,280.65 = 1,988,839.62/x
  3. Step 3: Cross multiply
    3,431,735.03x = 5,142,280.65 × 1,988,839.62
  4. Step 4: Simplify right side
    3,431,735.03x = 10,227,171,489,937.55
  5. Step 5: Solve for x
    x = 10,227,171,489,937.55/3,431,735.03
  6. Step 6: Final answer
    x = 2,980,175.16

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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.