Home / 1,869,969.38-2,805,420.62-540,273.38

Finding the Fourth Proportional to 1,869,969.38, 2,805,420.62 and 540,273.38

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Solution

The fourth proportional to 1,869,969.38, 2,805,420.62 and 540,273.38 is: 810,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,969.38 : 2,805,420.62 = 540,273.38 : x
  2. Step 2: Convert to fraction form
    1,869,969.38/2,805,420.62 = 540,273.38/x
  3. Step 3: Cross multiply
    1,869,969.38x = 2,805,420.62 × 540,273.38
  4. Step 4: Simplify right side
    1,869,969.38x = 1,515,694,068,012.68
  5. Step 5: Solve for x
    x = 1,515,694,068,012.68/1,869,969.38
  6. Step 6: Final answer
    x = 810,544.86

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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.