Home / 6,120,879.68-9,181,833.52-1,861,084.96

Finding the Fourth Proportional to 6,120,879.68, 9,181,833.52 and 1,861,084.96

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Solution

The fourth proportional to 6,120,879.68, 9,181,833.52 and 1,861,084.96 is: 2,791,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,879.68 : 9,181,833.52 = 1,861,084.96 : x
  2. Step 2: Convert to fraction form
    6,120,879.68/9,181,833.52 = 1,861,084.96/x
  3. Step 3: Cross multiply
    6,120,879.68x = 9,181,833.52 × 1,861,084.96
  4. Step 4: Simplify right side
    6,120,879.68x = 17,088,172,269,295.86
  5. Step 5: Solve for x
    x = 17,088,172,269,295.86/6,120,879.68
  6. Step 6: Final answer
    x = 2,791,783.72

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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.