Home / 3,814,976.21-5,721,576.54-1,419,948.77

Finding the Fourth Proportional to 3,814,976.21, 5,721,576.54 and 1,419,948.77

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Solution

The fourth proportional to 3,814,976.21, 5,721,576.54 and 1,419,948.77 is: 2,129,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814,976.21 : 5,721,576.54 = 1,419,948.77 : x
  2. Step 2: Convert to fraction form
    3,814,976.21/5,721,576.54 = 1,419,948.77/x
  3. Step 3: Cross multiply
    3,814,976.21x = 5,721,576.54 × 1,419,948.77
  4. Step 4: Simplify right side
    3,814,976.21x = 8,124,345,541,825.97
  5. Step 5: Solve for x
    x = 8,124,345,541,825.97/3,814,976.21
  6. Step 6: Final answer
    x = 2,129,592.72

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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.