Home / 1,469,136.40-2,201,080.20-1,201,447.60

Finding the Fourth Proportional to 1,469,136.40, 2,201,080.20 and 1,201,447.60

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Solution

The fourth proportional to 1,469,136.40, 2,201,080.20 and 1,201,447.60 is: 1,800,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,136.40 : 2,201,080.20 = 1,201,447.60 : x
  2. Step 2: Convert to fraction form
    1,469,136.40/2,201,080.20 = 1,201,447.60/x
  3. Step 3: Cross multiply
    1,469,136.40x = 2,201,080.20 × 1,201,447.60
  4. Step 4: Simplify right side
    1,469,136.40x = 2,644,482,523,697.52
  5. Step 5: Solve for x
    x = 2,644,482,523,697.52/1,469,136.40
  6. Step 6: Final answer
    x = 1,800,025.19

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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.