Home / 1,611,203.99-2,223,518.58-886,107.78

Finding the Fourth Proportional to 1,611,203.99, 2,223,518.58 and 886,107.78

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Solution

The fourth proportional to 1,611,203.99, 2,223,518.58 and 886,107.78 is: 1,222,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,203.99 : 2,223,518.58 = 886,107.78 : x
  2. Step 2: Convert to fraction form
    1,611,203.99/2,223,518.58 = 886,107.78/x
  3. Step 3: Cross multiply
    1,611,203.99x = 2,223,518.58 × 886,107.78
  4. Step 4: Simplify right side
    1,611,203.99x = 1,970,277,112,712.55
  5. Step 5: Solve for x
    x = 1,970,277,112,712.55/1,611,203.99
  6. Step 6: Final answer
    x = 1,222,860.13

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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.