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Finding the Fourth Proportional to 1,993,733.22, 2,990,599.56 and 1,100,852.22

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Solution

The fourth proportional to 1,993,733.22, 2,990,599.56 and 1,100,852.22 is: 1,651,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,733.22 : 2,990,599.56 = 1,100,852.22 : x
  2. Step 2: Convert to fraction form
    1,993,733.22/2,990,599.56 = 1,100,852.22/x
  3. Step 3: Cross multiply
    1,993,733.22x = 2,990,599.56 × 1,100,852.22
  4. Step 4: Simplify right side
    1,993,733.22x = 3,292,208,164,757.02
  5. Step 5: Solve for x
    x = 3,292,208,164,757.02/1,993,733.22
  6. Step 6: Final answer
    x = 1,651,278.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.