Home / 3,149,243.28-4,343,716.80-2,102,136.30

Finding the Fourth Proportional to 3,149,243.28, 4,343,716.80 and 2,102,136.30

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Solution

The fourth proportional to 3,149,243.28, 4,343,716.80 and 2,102,136.30 is: 2,899,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,243.28 : 4,343,716.80 = 2,102,136.30 : x
  2. Step 2: Convert to fraction form
    3,149,243.28/4,343,716.80 = 2,102,136.30/x
  3. Step 3: Cross multiply
    3,149,243.28x = 4,343,716.80 × 2,102,136.30
  4. Step 4: Simplify right side
    3,149,243.28x = 9,131,084,762,199.84
  5. Step 5: Solve for x
    x = 9,131,084,762,199.84/3,149,243.28
  6. Step 6: Final answer
    x = 2,899,453.60

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1.5x scale

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.