Home / 2,783,979.64-4,176,590.82-890,834.68

Finding the Fourth Proportional to 2,783,979.64, 4,176,590.82 and 890,834.68

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Solution

The fourth proportional to 2,783,979.64, 4,176,590.82 and 890,834.68 is: 1,336,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,979.64 : 4,176,590.82 = 890,834.68 : x
  2. Step 2: Convert to fraction form
    2,783,979.64/4,176,590.82 = 890,834.68/x
  3. Step 3: Cross multiply
    2,783,979.64x = 4,176,590.82 × 890,834.68
  4. Step 4: Simplify right side
    2,783,979.64x = 3,720,651,946,625.64
  5. Step 5: Solve for x
    x = 3,720,651,946,625.64/2,783,979.64
  6. Step 6: Final answer
    x = 1,336,450.85

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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.