Home / 6,718,854.40-10,078,268.64-1,670,169.76

Finding the Fourth Proportional to 6,718,854.40, 10,078,268.64 and 1,670,169.76

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Solution

The fourth proportional to 6,718,854.40, 10,078,268.64 and 1,670,169.76 is: 2,505,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,854.40 : 10,078,268.64 = 1,670,169.76 : x
  2. Step 2: Convert to fraction form
    6,718,854.40/10,078,268.64 = 1,670,169.76/x
  3. Step 3: Cross multiply
    6,718,854.40x = 10,078,268.64 × 1,670,169.76
  4. Step 4: Simplify right side
    6,718,854.40x = 16,832,419,515,684.33
  5. Step 5: Solve for x
    x = 16,832,419,515,684.33/6,718,854.40
  6. Step 6: Final answer
    x = 2,505,251.42

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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.