Home / 1,876,604.81-2,589,991.34-1,188,339.53

Finding the Fourth Proportional to 1,876,604.81, 2,589,991.34 and 1,188,339.53

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Solution

The fourth proportional to 1,876,604.81, 2,589,991.34 and 1,188,339.53 is: 1,640,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,604.81 : 2,589,991.34 = 1,188,339.53 : x
  2. Step 2: Convert to fraction form
    1,876,604.81/2,589,991.34 = 1,188,339.53/x
  3. Step 3: Cross multiply
    1,876,604.81x = 2,589,991.34 × 1,188,339.53
  4. Step 4: Simplify right side
    1,876,604.81x = 3,077,789,072,788.02
  5. Step 5: Solve for x
    x = 3,077,789,072,788.02/1,876,604.81
  6. Step 6: Final answer
    x = 1,640,083.76

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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.