Home / 2,089,170.81-3,133,757.22-1,379,032.86

Finding the Fourth Proportional to 2,089,170.81, 3,133,757.22 and 1,379,032.86

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Solution

The fourth proportional to 2,089,170.81, 3,133,757.22 and 1,379,032.86 is: 2,068,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,170.81 : 3,133,757.22 = 1,379,032.86 : x
  2. Step 2: Convert to fraction form
    2,089,170.81/3,133,757.22 = 1,379,032.86/x
  3. Step 3: Cross multiply
    2,089,170.81x = 3,133,757.22 × 1,379,032.86
  4. Step 4: Simplify right side
    2,089,170.81x = 4,321,554,181,642.25
  5. Step 5: Solve for x
    x = 4,321,554,181,642.25/2,089,170.81
  6. Step 6: Final answer
    x = 2,068,549.95

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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.