Home / 6,878,899.38-10,318,373.07-2,086,629.94

Finding the Fourth Proportional to 6,878,899.38, 10,318,373.07 and 2,086,629.94

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Solution

The fourth proportional to 6,878,899.38, 10,318,373.07 and 2,086,629.94 is: 3,129,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,899.38 : 10,318,373.07 = 2,086,629.94 : x
  2. Step 2: Convert to fraction form
    6,878,899.38/10,318,373.07 = 2,086,629.94/x
  3. Step 3: Cross multiply
    6,878,899.38x = 10,318,373.07 × 2,086,629.94
  4. Step 4: Simplify right side
    6,878,899.38x = 21,530,626,179,951.71
  5. Step 5: Solve for x
    x = 21,530,626,179,951.71/6,878,899.38
  6. Step 6: Final answer
    x = 3,129,952.19

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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.