Home / 3,387,866.36-5,080,721.78-1,112,862.94

Finding the Fourth Proportional to 3,387,866.36, 5,080,721.78 and 1,112,862.94

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Solution

The fourth proportional to 3,387,866.36, 5,080,721.78 and 1,112,862.94 is: 1,668,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,866.36 : 5,080,721.78 = 1,112,862.94 : x
  2. Step 2: Convert to fraction form
    3,387,866.36/5,080,721.78 = 1,112,862.94/x
  3. Step 3: Cross multiply
    3,387,866.36x = 5,080,721.78 × 1,112,862.94
  4. Step 4: Simplify right side
    3,387,866.36x = 5,654,146,967,493.19
  5. Step 5: Solve for x
    x = 5,654,146,967,493.19/3,387,866.36
  6. Step 6: Final answer
    x = 1,668,940.38

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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.