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Finding the Fourth Proportional to 4,148,736, 6,223,104 and 996,864

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Solution

The fourth proportional to 4,148,736, 6,223,104 and 996,864 is: 1,495,296

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148,736 : 6,223,104 = 996,864 : x
  2. Step 2: Convert to fraction form
    4,148,736/6,223,104 = 996,864/x
  3. Step 3: Cross multiply
    4,148,736x = 6,223,104 × 996,864
  4. Step 4: Simplify right side
    4,148,736x = 6,203,588,345,856
  5. Step 5: Solve for x
    x = 6,203,588,345,856/4,148,736
  6. Step 6: Final answer
    x = 1,495,296

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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.