Home / 2,489,356.80-3,734,035.20-806,630.40

Finding the Fourth Proportional to 2,489,356.80, 3,734,035.20 and 806,630.40

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Solution

The fourth proportional to 2,489,356.80, 3,734,035.20 and 806,630.40 is: 1,209,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,356.80 : 3,734,035.20 = 806,630.40 : x
  2. Step 2: Convert to fraction form
    2,489,356.80/3,734,035.20 = 806,630.40/x
  3. Step 3: Cross multiply
    2,489,356.80x = 3,734,035.20 × 806,630.40
  4. Step 4: Simplify right side
    2,489,356.80x = 3,011,986,306,990.08
  5. Step 5: Solve for x
    x = 3,011,986,306,990.08/2,489,356.80
  6. Step 6: Final answer
    x = 1,209,945.60

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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.