Home / 2,189,915.60-3,284,566.20-694,158.80

Finding the Fourth Proportional to 2,189,915.60, 3,284,566.20 and 694,158.80

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Solution

The fourth proportional to 2,189,915.60, 3,284,566.20 and 694,158.80 is: 1,041,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,915.60 : 3,284,566.20 = 694,158.80 : x
  2. Step 2: Convert to fraction form
    2,189,915.60/3,284,566.20 = 694,158.80/x
  3. Step 3: Cross multiply
    2,189,915.60x = 3,284,566.20 × 694,158.80
  4. Step 4: Simplify right side
    2,189,915.60x = 2,280,010,531,912.56
  5. Step 5: Solve for x
    x = 2,280,010,531,912.56/2,189,915.60
  6. Step 6: Final answer
    x = 1,041,140.82

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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.