Home / 2,992,757.40-4,489,792.20-970,657.20

Finding the Fourth Proportional to 2,992,757.40, 4,489,792.20 and 970,657.20

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Solution

The fourth proportional to 2,992,757.40, 4,489,792.20 and 970,657.20 is: 1,456,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,757.40 : 4,489,792.20 = 970,657.20 : x
  2. Step 2: Convert to fraction form
    2,992,757.40/4,489,792.20 = 970,657.20/x
  3. Step 3: Cross multiply
    2,992,757.40x = 4,489,792.20 × 970,657.20
  4. Step 4: Simplify right side
    2,992,757.40x = 4,358,049,125,433.84
  5. Step 5: Solve for x
    x = 4,358,049,125,433.84/2,992,757.40
  6. Step 6: Final answer
    x = 1,456,198.60

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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.