Home / 3,361,910.78-4,639,079.12-1,891,793.66

Finding the Fourth Proportional to 3,361,910.78, 4,639,079.12 and 1,891,793.66

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Solution

The fourth proportional to 3,361,910.78, 4,639,079.12 and 1,891,793.66 is: 2,610,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,910.78 : 4,639,079.12 = 1,891,793.66 : x
  2. Step 2: Convert to fraction form
    3,361,910.78/4,639,079.12 = 1,891,793.66/x
  3. Step 3: Cross multiply
    3,361,910.78x = 4,639,079.12 × 1,891,793.66
  4. Step 4: Simplify right side
    3,361,910.78x = 8,776,180,434,800.02
  5. Step 5: Solve for x
    x = 8,776,180,434,800.02/3,361,910.78
  6. Step 6: Final answer
    x = 2,610,473.93

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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.