Home / 4,111,335.20-6,167,002.80-1,981,634.60

Finding the Fourth Proportional to 4,111,335.20, 6,167,002.80 and 1,981,634.60

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Solution

The fourth proportional to 4,111,335.20, 6,167,002.80 and 1,981,634.60 is: 2,972,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111,335.20 : 6,167,002.80 = 1,981,634.60 : x
  2. Step 2: Convert to fraction form
    4,111,335.20/6,167,002.80 = 1,981,634.60/x
  3. Step 3: Cross multiply
    4,111,335.20x = 6,167,002.80 × 1,981,634.60
  4. Step 4: Simplify right side
    4,111,335.20x = 12,220,746,126,776.88
  5. Step 5: Solve for x
    x = 12,220,746,126,776.88/4,111,335.20
  6. Step 6: Final answer
    x = 2,972,451.90

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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.