Home / 2,629,163-3,628,244.94-1,421,939

Finding the Fourth Proportional to 2,629,163, 3,628,244.94 and 1,421,939

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Solution

The fourth proportional to 2,629,163, 3,628,244.94 and 1,421,939 is: 1,962,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,163 : 3,628,244.94 = 1,421,939 : x
  2. Step 2: Convert to fraction form
    2,629,163/3,628,244.94 = 1,421,939/x
  3. Step 3: Cross multiply
    2,629,163x = 3,628,244.94 × 1,421,939
  4. Step 4: Simplify right side
    2,629,163x = 5,159,142,981,738.66
  5. Step 5: Solve for x
    x = 5,159,142,981,738.66/2,629,163
  6. Step 6: Final answer
    x = 1,962,275.82

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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.