Home / 3,969,189.43-5,480,566.76-3,049,969.64

Finding the Fourth Proportional to 3,969,189.43, 5,480,566.76 and 3,049,969.64

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Solution

The fourth proportional to 3,969,189.43, 5,480,566.76 and 3,049,969.64 is: 4,211,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,189.43 : 5,480,566.76 = 3,049,969.64 : x
  2. Step 2: Convert to fraction form
    3,969,189.43/5,480,566.76 = 3,049,969.64/x
  3. Step 3: Cross multiply
    3,969,189.43x = 5,480,566.76 × 3,049,969.64
  4. Step 4: Simplify right side
    3,969,189.43x = 16,715,562,208,215.26
  5. Step 5: Solve for x
    x = 16,715,562,208,215.26/3,969,189.43
  6. Step 6: Final answer
    x = 4,211,328.92

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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.