Home / 2,066,507.85-3,100,136.53-851,409.71

Finding the Fourth Proportional to 2,066,507.85, 3,100,136.53 and 851,409.71

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Solution

The fourth proportional to 2,066,507.85, 3,100,136.53 and 851,409.71 is: 1,277,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066,507.85 : 3,100,136.53 = 851,409.71 : x
  2. Step 2: Convert to fraction form
    2,066,507.85/3,100,136.53 = 851,409.71/x
  3. Step 3: Cross multiply
    2,066,507.85x = 3,100,136.53 × 851,409.71
  4. Step 4: Simplify right side
    2,066,507.85x = 2,639,486,328,467.02
  5. Step 5: Solve for x
    x = 2,639,486,328,467.02/2,066,507.85
  6. Step 6: Final answer
    x = 1,277,268.96

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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.