Home / 1,693,478.59-2,338,940.05-1,115,286.37

Finding the Fourth Proportional to 1,693,478.59, 2,338,940.05 and 1,115,286.37

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Solution

The fourth proportional to 1,693,478.59, 2,338,940.05 and 1,115,286.37 is: 1,540,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,478.59 : 2,338,940.05 = 1,115,286.37 : x
  2. Step 2: Convert to fraction form
    1,693,478.59/2,338,940.05 = 1,115,286.37/x
  3. Step 3: Cross multiply
    1,693,478.59x = 2,338,940.05 × 1,115,286.37
  4. Step 4: Simplify right side
    1,693,478.59x = 2,608,587,955,650.04
  5. Step 5: Solve for x
    x = 2,608,587,955,650.04/1,693,478.59
  6. Step 6: Final answer
    x = 1,540,372.56

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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.