Home / 3,976,090.80-5,964,136.20-3,478,426.80

Finding the Fourth Proportional to 3,976,090.80, 5,964,136.20 and 3,478,426.80

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Solution

The fourth proportional to 3,976,090.80, 5,964,136.20 and 3,478,426.80 is: 5,217,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,090.80 : 5,964,136.20 = 3,478,426.80 : x
  2. Step 2: Convert to fraction form
    3,976,090.80/5,964,136.20 = 3,478,426.80/x
  3. Step 3: Cross multiply
    3,976,090.80x = 5,964,136.20 × 3,478,426.80
  4. Step 4: Simplify right side
    3,976,090.80x = 20,745,811,196,930.16
  5. Step 5: Solve for x
    x = 20,745,811,196,930.16/3,976,090.80
  6. Step 6: Final answer
    x = 5,217,640.20

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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.