Home / 2,183,496.40-3,275,705.40-687,739.60

Finding the Fourth Proportional to 2,183,496.40, 3,275,705.40 and 687,739.60

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Solution

The fourth proportional to 2,183,496.40, 3,275,705.40 and 687,739.60 is: 1,031,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,496.40 : 3,275,705.40 = 687,739.60 : x
  2. Step 2: Convert to fraction form
    2,183,496.40/3,275,705.40 = 687,739.60/x
  3. Step 3: Cross multiply
    2,183,496.40x = 3,275,705.40 × 687,739.60
  4. Step 4: Simplify right side
    2,183,496.40x = 2,252,832,321,513.84
  5. Step 5: Solve for x
    x = 2,252,832,321,513.84/2,183,496.40
  6. Step 6: Final answer
    x = 1,031,754.54

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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.