Home / 2,998,840.80-4,138,503.64-1,640,713.76

Finding the Fourth Proportional to 2,998,840.80, 4,138,503.64 and 1,640,713.76

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Solution

The fourth proportional to 2,998,840.80, 4,138,503.64 and 1,640,713.76 is: 2,264,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,840.80 : 4,138,503.64 = 1,640,713.76 : x
  2. Step 2: Convert to fraction form
    2,998,840.80/4,138,503.64 = 1,640,713.76/x
  3. Step 3: Cross multiply
    2,998,840.80x = 4,138,503.64 × 1,640,713.76
  4. Step 4: Simplify right side
    2,998,840.80x = 6,790,099,867,958.09
  5. Step 5: Solve for x
    x = 6,790,099,867,958.09/2,998,840.80
  6. Step 6: Final answer
    x = 2,264,241.53

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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.