Home / 5,415,364.80-8,121,078.90-2,718,793.80

Finding the Fourth Proportional to 5,415,364.80, 8,121,078.90 and 2,718,793.80

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Solution

The fourth proportional to 5,415,364.80, 8,121,078.90 and 2,718,793.80 is: 4,077,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,364.80 : 8,121,078.90 = 2,718,793.80 : x
  2. Step 2: Convert to fraction form
    5,415,364.80/8,121,078.90 = 2,718,793.80/x
  3. Step 3: Cross multiply
    5,415,364.80x = 8,121,078.90 × 2,718,793.80
  4. Step 4: Simplify right side
    5,415,364.80x = 22,079,538,962,630.82
  5. Step 5: Solve for x
    x = 22,079,538,962,630.82/5,415,364.80
  6. Step 6: Final answer
    x = 4,077,202.51

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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.