Home / 1,902,860.78-2,623,407.54-1,511,691.64

Finding the Fourth Proportional to 1,902,860.78, 2,623,407.54 and 1,511,691.64

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Solution

The fourth proportional to 1,902,860.78, 2,623,407.54 and 1,511,691.64 is: 2,084,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,860.78 : 2,623,407.54 = 1,511,691.64 : x
  2. Step 2: Convert to fraction form
    1,902,860.78/2,623,407.54 = 1,511,691.64/x
  3. Step 3: Cross multiply
    1,902,860.78x = 2,623,407.54 × 1,511,691.64
  4. Step 4: Simplify right side
    1,902,860.78x = 3,965,783,246,530.97
  5. Step 5: Solve for x
    x = 3,965,783,246,530.97/1,902,860.78
  6. Step 6: Final answer
    x = 2,084,116.34

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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.