Home / 2,621,612.92-3,933,947.85-1,105,203.01

Finding the Fourth Proportional to 2,621,612.92, 3,933,947.85 and 1,105,203.01

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Solution

The fourth proportional to 2,621,612.92, 3,933,947.85 and 1,105,203.01 is: 1,658,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,612.92 : 3,933,947.85 = 1,105,203.01 : x
  2. Step 2: Convert to fraction form
    2,621,612.92/3,933,947.85 = 1,105,203.01/x
  3. Step 3: Cross multiply
    2,621,612.92x = 3,933,947.85 × 1,105,203.01
  4. Step 4: Simplify right side
    2,621,612.92x = 4,347,811,005,003.03
  5. Step 5: Solve for x
    x = 4,347,811,005,003.03/2,621,612.92
  6. Step 6: Final answer
    x = 1,658,448.88

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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.