Home / 1,753,747.80-2,630,621.70-1,222,906.20

Finding the Fourth Proportional to 1,753,747.80, 2,630,621.70 and 1,222,906.20

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Solution

The fourth proportional to 1,753,747.80, 2,630,621.70 and 1,222,906.20 is: 1,834,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,747.80 : 2,630,621.70 = 1,222,906.20 : x
  2. Step 2: Convert to fraction form
    1,753,747.80/2,630,621.70 = 1,222,906.20/x
  3. Step 3: Cross multiply
    1,753,747.80x = 2,630,621.70 × 1,222,906.20
  4. Step 4: Simplify right side
    1,753,747.80x = 3,217,003,586,784.54
  5. Step 5: Solve for x
    x = 3,217,003,586,784.54/1,753,747.80
  6. Step 6: Final answer
    x = 1,834,359.30

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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.