Home / 1,687,996.64-2,543,843.66-1,519,685.12

Finding the Fourth Proportional to 1,687,996.64, 2,543,843.66 and 1,519,685.12

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Solution

The fourth proportional to 1,687,996.64, 2,543,843.66 and 1,519,685.12 is: 2,290,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,996.64 : 2,543,843.66 = 1,519,685.12 : x
  2. Step 2: Convert to fraction form
    1,687,996.64/2,543,843.66 = 1,519,685.12/x
  3. Step 3: Cross multiply
    1,687,996.64x = 2,543,843.66 × 1,519,685.12
  4. Step 4: Simplify right side
    1,687,996.64x = 3,865,841,357,708.34
  5. Step 5: Solve for x
    x = 3,865,841,357,708.34/1,687,996.64
  6. Step 6: Final answer
    x = 2,290,194.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.