Home / 3,909,719.04-5,891,215.20-3,215,302.80

Finding the Fourth Proportional to 3,909,719.04, 5,891,215.20 and 3,215,302.80

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Solution

The fourth proportional to 3,909,719.04, 5,891,215.20 and 3,215,302.80 is: 4,844,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,719.04 : 5,891,215.20 = 3,215,302.80 : x
  2. Step 2: Convert to fraction form
    3,909,719.04/5,891,215.20 = 3,215,302.80/x
  3. Step 3: Cross multiply
    3,909,719.04x = 5,891,215.20 × 3,215,302.80
  4. Step 4: Simplify right side
    3,909,719.04x = 18,942,040,727,962.56
  5. Step 5: Solve for x
    x = 18,942,040,727,962.56/3,909,719.04
  6. Step 6: Final answer
    x = 4,844,859.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.