Home / 1,988,254.80-2,743,791.30-1,082,836.80

Finding the Fourth Proportional to 1,988,254.80, 2,743,791.30 and 1,082,836.80

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Solution

The fourth proportional to 1,988,254.80, 2,743,791.30 and 1,082,836.80 is: 1,494,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,254.80 : 2,743,791.30 = 1,082,836.80 : x
  2. Step 2: Convert to fraction form
    1,988,254.80/2,743,791.30 = 1,082,836.80/x
  3. Step 3: Cross multiply
    1,988,254.80x = 2,743,791.30 × 1,082,836.80
  4. Step 4: Simplify right side
    1,988,254.80x = 2,971,078,191,159.84
  5. Step 5: Solve for x
    x = 2,971,078,191,159.84/1,988,254.80
  6. Step 6: Final answer
    x = 1,494,314.61

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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.