Home / 1,707,947.80-2,561,921.70-1,078,091.80

Finding the Fourth Proportional to 1,707,947.80, 2,561,921.70 and 1,078,091.80

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Solution

The fourth proportional to 1,707,947.80, 2,561,921.70 and 1,078,091.80 is: 1,617,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,947.80 : 2,561,921.70 = 1,078,091.80 : x
  2. Step 2: Convert to fraction form
    1,707,947.80/2,561,921.70 = 1,078,091.80/x
  3. Step 3: Cross multiply
    1,707,947.80x = 2,561,921.70 × 1,078,091.80
  4. Step 4: Simplify right side
    1,707,947.80x = 2,761,986,777,012.06
  5. Step 5: Solve for x
    x = 2,761,986,777,012.06/1,707,947.80
  6. Step 6: Final answer
    x = 1,617,137.70

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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.