Home / 3,319,616.20-4,979,424.30-3,288,123.40

Finding the Fourth Proportional to 3,319,616.20, 4,979,424.30 and 3,288,123.40

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Solution

The fourth proportional to 3,319,616.20, 4,979,424.30 and 3,288,123.40 is: 4,932,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,616.20 : 4,979,424.30 = 3,288,123.40 : x
  2. Step 2: Convert to fraction form
    3,319,616.20/4,979,424.30 = 3,288,123.40/x
  3. Step 3: Cross multiply
    3,319,616.20x = 4,979,424.30 × 3,288,123.40
  4. Step 4: Simplify right side
    3,319,616.20x = 16,372,961,559,358.62
  5. Step 5: Solve for x
    x = 16,372,961,559,358.62/3,319,616.20
  6. Step 6: Final answer
    x = 4,932,185.10

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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.