Home / 3,939,570.20-5,439,136.64-2,471,491.10

Finding the Fourth Proportional to 3,939,570.20, 5,439,136.64 and 2,471,491.10

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Solution

The fourth proportional to 3,939,570.20, 5,439,136.64 and 2,471,491.10 is: 3,412,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,570.20 : 5,439,136.64 = 2,471,491.10 : x
  2. Step 2: Convert to fraction form
    3,939,570.20/5,439,136.64 = 2,471,491.10/x
  3. Step 3: Cross multiply
    3,939,570.20x = 5,439,136.64 × 2,471,491.10
  4. Step 4: Simplify right side
    3,939,570.20x = 13,442,777,798,684.29
  5. Step 5: Solve for x
    x = 13,442,777,798,684.29/3,939,570.20
  6. Step 6: Final answer
    x = 3,412,244.76

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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.