Home / 2,131,349.04-3,198,284.46-784,457.64

Finding the Fourth Proportional to 2,131,349.04, 3,198,284.46 and 784,457.64

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Solution

The fourth proportional to 2,131,349.04, 3,198,284.46 and 784,457.64 is: 1,177,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,349.04 : 3,198,284.46 = 784,457.64 : x
  2. Step 2: Convert to fraction form
    2,131,349.04/3,198,284.46 = 784,457.64/x
  3. Step 3: Cross multiply
    2,131,349.04x = 3,198,284.46 × 784,457.64
  4. Step 4: Simplify right side
    2,131,349.04x = 2,508,918,679,540.27
  5. Step 5: Solve for x
    x = 2,508,918,679,540.27/2,131,349.04
  6. Step 6: Final answer
    x = 1,177,150.54

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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.