Home / 3,990,863.65-5,984,742.48-1,294,536.85

Finding the Fourth Proportional to 3,990,863.65, 5,984,742.48 and 1,294,536.85

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Solution

The fourth proportional to 3,990,863.65, 5,984,742.48 and 1,294,536.85 is: 1,941,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,863.65 : 5,984,742.48 = 1,294,536.85 : x
  2. Step 2: Convert to fraction form
    3,990,863.65/5,984,742.48 = 1,294,536.85/x
  3. Step 3: Cross multiply
    3,990,863.65x = 5,984,742.48 × 1,294,536.85
  4. Step 4: Simplify right side
    3,990,863.65x = 7,747,469,678,120.39
  5. Step 5: Solve for x
    x = 7,747,469,678,120.39/3,990,863.65
  6. Step 6: Final answer
    x = 1,941,301.52

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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.