Home / 3,601,385.82-4,970,030.74-1,969,793.20

Finding the Fourth Proportional to 3,601,385.82, 4,970,030.74 and 1,969,793.20

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Solution

The fourth proportional to 3,601,385.82, 4,970,030.74 and 1,969,793.20 is: 2,718,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601,385.82 : 4,970,030.74 = 1,969,793.20 : x
  2. Step 2: Convert to fraction form
    3,601,385.82/4,970,030.74 = 1,969,793.20/x
  3. Step 3: Cross multiply
    3,601,385.82x = 4,970,030.74 × 1,969,793.20
  4. Step 4: Simplify right side
    3,601,385.82x = 9,789,932,756,731.02
  5. Step 5: Solve for x
    x = 9,789,932,756,731.02/3,601,385.82
  6. Step 6: Final answer
    x = 2,718,379.33

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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.