Home / 3,102,702.94-4,279,980.55-1,861,995.97

Finding the Fourth Proportional to 3,102,702.94, 4,279,980.55 and 1,861,995.97

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Solution

The fourth proportional to 3,102,702.94, 4,279,980.55 and 1,861,995.97 is: 2,568,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,702.94 : 4,279,980.55 = 1,861,995.97 : x
  2. Step 2: Convert to fraction form
    3,102,702.94/4,279,980.55 = 1,861,995.97/x
  3. Step 3: Cross multiply
    3,102,702.94x = 4,279,980.55 × 1,861,995.97
  4. Step 4: Simplify right side
    3,102,702.94x = 7,969,306,505,068.50
  5. Step 5: Solve for x
    x = 7,969,306,505,068.50/3,102,702.94
  6. Step 6: Final answer
    x = 2,568,504.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.