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Finding the Fourth Proportional to 1,777,906.20, 2,662,922.70 and 1,462,978.20

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Solution

The fourth proportional to 1,777,906.20, 2,662,922.70 and 1,462,978.20 is: 2,191,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,906.20 : 2,662,922.70 = 1,462,978.20 : x
  2. Step 2: Convert to fraction form
    1,777,906.20/2,662,922.70 = 1,462,978.20/x
  3. Step 3: Cross multiply
    1,777,906.20x = 2,662,922.70 × 1,462,978.20
  4. Step 4: Simplify right side
    1,777,906.20x = 3,895,797,858,385.14
  5. Step 5: Solve for x
    x = 3,895,797,858,385.14/1,777,906.20
  6. Step 6: Final answer
    x = 2,191,228.01

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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.