Home / 2,489,587.20-3,734,380.80-806,690.70

Finding the Fourth Proportional to 2,489,587.20, 3,734,380.80 and 806,690.70

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Solution

The fourth proportional to 2,489,587.20, 3,734,380.80 and 806,690.70 is: 1,210,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,587.20 : 3,734,380.80 = 806,690.70 : x
  2. Step 2: Convert to fraction form
    2,489,587.20/3,734,380.80 = 806,690.70/x
  3. Step 3: Cross multiply
    2,489,587.20x = 3,734,380.80 × 806,690.70
  4. Step 4: Simplify right side
    2,489,587.20x = 3,012,490,261,618.56
  5. Step 5: Solve for x
    x = 3,012,490,261,618.56/2,489,587.20
  6. Step 6: Final answer
    x = 1,210,036.05

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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.