Home / 2,191,986.58-3,025,083.34-1,225,157.62

Finding the Fourth Proportional to 2,191,986.58, 3,025,083.34 and 1,225,157.62

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Solution

The fourth proportional to 2,191,986.58, 3,025,083.34 and 1,225,157.62 is: 1,690,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,986.58 : 3,025,083.34 = 1,225,157.62 : x
  2. Step 2: Convert to fraction form
    2,191,986.58/3,025,083.34 = 1,225,157.62/x
  3. Step 3: Cross multiply
    2,191,986.58x = 3,025,083.34 × 1,225,157.62
  4. Step 4: Simplify right side
    2,191,986.58x = 3,706,203,905,136.05
  5. Step 5: Solve for x
    x = 3,706,203,905,136.05/2,191,986.58
  6. Step 6: Final answer
    x = 1,690,796.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.