Home / 1,611,012.96-2,223,121.78-885,891.24

Finding the Fourth Proportional to 1,611,012.96, 2,223,121.78 and 885,891.24

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Solution

The fourth proportional to 1,611,012.96, 2,223,121.78 and 885,891.24 is: 1,222,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,012.96 : 2,223,121.78 = 885,891.24 : x
  2. Step 2: Convert to fraction form
    1,611,012.96/2,223,121.78 = 885,891.24/x
  3. Step 3: Cross multiply
    1,611,012.96x = 2,223,121.78 × 885,891.24
  4. Step 4: Simplify right side
    1,611,012.96x = 1,969,444,110,355.21
  5. Step 5: Solve for x
    x = 1,969,444,110,355.21/1,611,012.96
  6. Step 6: Final answer
    x = 1,222,488.06

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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.