Home / 1,876,273.88-2,589,535.89-1,188,009.72

Finding the Fourth Proportional to 1,876,273.88, 2,589,535.89 and 1,188,009.72

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Solution

The fourth proportional to 1,876,273.88, 2,589,535.89 and 1,188,009.72 is: 1,639,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,273.88 : 2,589,535.89 = 1,188,009.72 : x
  2. Step 2: Convert to fraction form
    1,876,273.88/2,589,535.89 = 1,188,009.72/x
  3. Step 3: Cross multiply
    1,876,273.88x = 2,589,535.89 × 1,188,009.72
  4. Step 4: Simplify right side
    1,876,273.88x = 3,076,393,807,608.85
  5. Step 5: Solve for x
    x = 3,076,393,807,608.85/1,876,273.88
  6. Step 6: Final answer
    x = 1,639,629.40

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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.