Home / 3,959,472.76-5,464,072.42-2,148,636.76

Finding the Fourth Proportional to 3,959,472.76, 5,464,072.42 and 2,148,636.76

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Solution

The fourth proportional to 3,959,472.76, 5,464,072.42 and 2,148,636.76 is: 2,965,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,472.76 : 5,464,072.42 = 2,148,636.76 : x
  2. Step 2: Convert to fraction form
    3,959,472.76/5,464,072.42 = 2,148,636.76/x
  3. Step 3: Cross multiply
    3,959,472.76x = 5,464,072.42 × 2,148,636.76
  4. Step 4: Simplify right side
    3,959,472.76x = 11,740,306,860,914.16
  5. Step 5: Solve for x
    x = 11,740,306,860,914.16/3,959,472.76
  6. Step 6: Final answer
    x = 2,965,118.73

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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.