Home / 2,783,978.64-4,176,589.32-890,833.68

Finding the Fourth Proportional to 2,783,978.64, 4,176,589.32 and 890,833.68

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Solution

The fourth proportional to 2,783,978.64, 4,176,589.32 and 890,833.68 is: 1,336,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,978.64 : 4,176,589.32 = 890,833.68 : x
  2. Step 2: Convert to fraction form
    2,783,978.64/4,176,589.32 = 890,833.68/x
  3. Step 3: Cross multiply
    2,783,978.64x = 4,176,589.32 × 890,833.68
  4. Step 4: Simplify right side
    2,783,978.64x = 3,720,646,433,784.30
  5. Step 5: Solve for x
    x = 3,720,646,433,784.30/2,783,978.64
  6. Step 6: Final answer
    x = 1,336,449.35

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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.