Home / 3,868,635.21-5,338,764.96-2,126,494.80

Finding the Fourth Proportional to 3,868,635.21, 5,338,764.96 and 2,126,494.80

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Solution

The fourth proportional to 3,868,635.21, 5,338,764.96 and 2,126,494.80 is: 2,934,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,635.21 : 5,338,764.96 = 2,126,494.80 : x
  2. Step 2: Convert to fraction form
    3,868,635.21/5,338,764.96 = 2,126,494.80/x
  3. Step 3: Cross multiply
    3,868,635.21x = 5,338,764.96 × 2,126,494.80
  4. Step 4: Simplify right side
    3,868,635.21x = 11,352,855,925,862.21
  5. Step 5: Solve for x
    x = 11,352,855,925,862.21/3,868,635.21
  6. Step 6: Final answer
    x = 2,934,589.41

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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.