Home / 1,940,884.25-2,678,430.89-1,125,571.33

Finding the Fourth Proportional to 1,940,884.25, 2,678,430.89 and 1,125,571.33

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Solution

The fourth proportional to 1,940,884.25, 2,678,430.89 and 1,125,571.33 is: 1,553,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,884.25 : 2,678,430.89 = 1,125,571.33 : x
  2. Step 2: Convert to fraction form
    1,940,884.25/2,678,430.89 = 1,125,571.33/x
  3. Step 3: Cross multiply
    1,940,884.25x = 2,678,430.89 × 1,125,571.33
  4. Step 4: Simplify right side
    1,940,884.25x = 3,014,765,019,170.38
  5. Step 5: Solve for x
    x = 3,014,765,019,170.38/1,940,884.25
  6. Step 6: Final answer
    x = 1,553,294.60

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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.