Home / 3,814,977.21-5,721,578.04-1,419,949.77

Finding the Fourth Proportional to 3,814,977.21, 5,721,578.04 and 1,419,949.77

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Solution

The fourth proportional to 3,814,977.21, 5,721,578.04 and 1,419,949.77 is: 2,129,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814,977.21 : 5,721,578.04 = 1,419,949.77 : x
  2. Step 2: Convert to fraction form
    3,814,977.21/5,721,578.04 = 1,419,949.77/x
  3. Step 3: Cross multiply
    3,814,977.21x = 5,721,578.04 × 1,419,949.77
  4. Step 4: Simplify right side
    3,814,977.21x = 8,124,353,421,935.05
  5. Step 5: Solve for x
    x = 8,124,353,421,935.05/3,814,977.21
  6. Step 6: Final answer
    x = 2,129,594.22

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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.