Home / 2,183,449.40-3,275,634.90-687,692.60

Finding the Fourth Proportional to 2,183,449.40, 3,275,634.90 and 687,692.60

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Solution

The fourth proportional to 2,183,449.40, 3,275,634.90 and 687,692.60 is: 1,031,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,449.40 : 3,275,634.90 = 687,692.60 : x
  2. Step 2: Convert to fraction form
    2,183,449.40/3,275,634.90 = 687,692.60/x
  3. Step 3: Cross multiply
    2,183,449.40x = 3,275,634.90 × 687,692.60
  4. Step 4: Simplify right side
    2,183,449.40x = 2,252,629,881,031.74
  5. Step 5: Solve for x
    x = 2,252,629,881,031.74/2,183,449.40
  6. Step 6: Final answer
    x = 1,031,684.03

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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.