Home / 2,085,615-2,878,148.70-1,131,759

Finding the Fourth Proportional to 2,085,615, 2,878,148.70 and 1,131,759

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Solution

The fourth proportional to 2,085,615, 2,878,148.70 and 1,131,759 is: 1,561,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,615 : 2,878,148.70 = 1,131,759 : x
  2. Step 2: Convert to fraction form
    2,085,615/2,878,148.70 = 1,131,759/x
  3. Step 3: Cross multiply
    2,085,615x = 2,878,148.70 × 1,131,759
  4. Step 4: Simplify right side
    2,085,615x = 3,257,370,694,563.30
  5. Step 5: Solve for x
    x = 3,257,370,694,563.30/2,085,615
  6. Step 6: Final answer
    x = 1,561,827.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.