Home / 1,693,513.35-2,338,988-1,115,321.07

Finding the Fourth Proportional to 1,693,513.35, 2,338,988 and 1,115,321.07

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Solution

The fourth proportional to 1,693,513.35, 2,338,988 and 1,115,321.07 is: 1,540,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,513.35 : 2,338,988 = 1,115,321.07 : x
  2. Step 2: Convert to fraction form
    1,693,513.35/2,338,988 = 1,115,321.07/x
  3. Step 3: Cross multiply
    1,693,513.35x = 2,338,988 × 1,115,321.07
  4. Step 4: Simplify right side
    1,693,513.35x = 2,608,722,598,877.16
  5. Step 5: Solve for x
    x = 2,608,722,598,877.16/1,693,513.35
  6. Step 6: Final answer
    x = 1,540,420.45

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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.