Home / 1,616,111.17-2,230,192.36-890,942.06

Finding the Fourth Proportional to 1,616,111.17, 2,230,192.36 and 890,942.06

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Solution

The fourth proportional to 1,616,111.17, 2,230,192.36 and 890,942.06 is: 1,229,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,111.17 : 2,230,192.36 = 890,942.06 : x
  2. Step 2: Convert to fraction form
    1,616,111.17/2,230,192.36 = 890,942.06/x
  3. Step 3: Cross multiply
    1,616,111.17x = 2,230,192.36 × 890,942.06
  4. Step 4: Simplify right side
    1,616,111.17x = 1,986,972,175,414.66
  5. Step 5: Solve for x
    x = 1,986,972,175,414.66/1,616,111.17
  6. Step 6: Final answer
    x = 1,229,477.41

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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.