Home / 1,950,690.09-2,691,891.28-1,079,472.22

Finding the Fourth Proportional to 1,950,690.09, 2,691,891.28 and 1,079,472.22

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Solution

The fourth proportional to 1,950,690.09, 2,691,891.28 and 1,079,472.22 is: 1,489,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,690.09 : 2,691,891.28 = 1,079,472.22 : x
  2. Step 2: Convert to fraction form
    1,950,690.09/2,691,891.28 = 1,079,472.22/x
  3. Step 3: Cross multiply
    1,950,690.09x = 2,691,891.28 × 1,079,472.22
  4. Step 4: Simplify right side
    1,950,690.09x = 2,905,821,844,567.82
  5. Step 5: Solve for x
    x = 2,905,821,844,567.82/1,950,690.09
  6. Step 6: Final answer
    x = 1,489,637.87

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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.