Home / 2,268,781.03-3,130,770.45-1,250,185.78

Finding the Fourth Proportional to 2,268,781.03, 3,130,770.45 and 1,250,185.78

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Solution

The fourth proportional to 2,268,781.03, 3,130,770.45 and 1,250,185.78 is: 1,725,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,781.03 : 3,130,770.45 = 1,250,185.78 : x
  2. Step 2: Convert to fraction form
    2,268,781.03/3,130,770.45 = 1,250,185.78/x
  3. Step 3: Cross multiply
    2,268,781.03x = 3,130,770.45 × 1,250,185.78
  4. Step 4: Simplify right side
    2,268,781.03x = 3,914,044,697,034.20
  5. Step 5: Solve for x
    x = 3,914,044,697,034.20/2,268,781.03
  6. Step 6: Final answer
    x = 1,725,175.17

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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.