Home / 1,474,727.40-2,212,091.10-1,325,136.60

Finding the Fourth Proportional to 1,474,727.40, 2,212,091.10 and 1,325,136.60

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Solution

The fourth proportional to 1,474,727.40, 2,212,091.10 and 1,325,136.60 is: 1,987,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,727.40 : 2,212,091.10 = 1,325,136.60 : x
  2. Step 2: Convert to fraction form
    1,474,727.40/2,212,091.10 = 1,325,136.60/x
  3. Step 3: Cross multiply
    1,474,727.40x = 2,212,091.10 × 1,325,136.60
  4. Step 4: Simplify right side
    1,474,727.40x = 2,931,322,879,144.26
  5. Step 5: Solve for x
    x = 2,931,322,879,144.26/1,474,727.40
  6. Step 6: Final answer
    x = 1,987,704.90

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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.