Home / 3,939,570.71-5,439,137.33-2,471,491.61

Finding the Fourth Proportional to 3,939,570.71, 5,439,137.33 and 2,471,491.61

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Solution

The fourth proportional to 3,939,570.71, 5,439,137.33 and 2,471,491.61 is: 3,412,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,570.71 : 5,439,137.33 = 2,471,491.61 : x
  2. Step 2: Convert to fraction form
    3,939,570.71/5,439,137.33 = 2,471,491.61/x
  3. Step 3: Cross multiply
    3,939,570.71x = 5,439,137.33 × 2,471,491.61
  4. Step 4: Simplify right side
    3,939,570.71x = 13,442,782,237,179.66
  5. Step 5: Solve for x
    x = 13,442,782,237,179.66/3,939,570.71
  6. Step 6: Final answer
    x = 3,412,245.46

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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.