Home / 3,100,361.20-4,650,687.60-970,514.80

Finding the Fourth Proportional to 3,100,361.20, 4,650,687.60 and 970,514.80

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Solution

The fourth proportional to 3,100,361.20, 4,650,687.60 and 970,514.80 is: 1,455,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,361.20 : 4,650,687.60 = 970,514.80 : x
  2. Step 2: Convert to fraction form
    3,100,361.20/4,650,687.60 = 970,514.80/x
  3. Step 3: Cross multiply
    3,100,361.20x = 4,650,687.60 × 970,514.80
  4. Step 4: Simplify right side
    3,100,361.20x = 4,513,561,145,976.48
  5. Step 5: Solve for x
    x = 4,513,561,145,976.48/3,100,361.20
  6. Step 6: Final answer
    x = 1,455,817.84

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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.