Home / 3,208,013.76-4,783,711.92-3,179,216.64

Finding the Fourth Proportional to 3,208,013.76, 4,783,711.92 and 3,179,216.64

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Solution

The fourth proportional to 3,208,013.76, 4,783,711.92 and 3,179,216.64 is: 4,740,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,013.76 : 4,783,711.92 = 3,179,216.64 : x
  2. Step 2: Convert to fraction form
    3,208,013.76/4,783,711.92 = 3,179,216.64/x
  3. Step 3: Cross multiply
    3,208,013.76x = 4,783,711.92 × 3,179,216.64
  4. Step 4: Simplify right side
    3,208,013.76x = 15,208,456,537,030.35
  5. Step 5: Solve for x
    x = 15,208,456,537,030.35/3,208,013.76
  6. Step 6: Final answer
    x = 4,740,770.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.