Home / 3,892,043.92-5,370,964.84-2,173,191.44

Finding the Fourth Proportional to 3,892,043.92, 5,370,964.84 and 2,173,191.44

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Solution

The fourth proportional to 3,892,043.92, 5,370,964.84 and 2,173,191.44 is: 2,998,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,043.92 : 5,370,964.84 = 2,173,191.44 : x
  2. Step 2: Convert to fraction form
    3,892,043.92/5,370,964.84 = 2,173,191.44/x
  3. Step 3: Cross multiply
    3,892,043.92x = 5,370,964.84 × 2,173,191.44
  4. Step 4: Simplify right side
    3,892,043.92x = 11,672,134,814,828.97
  5. Step 5: Solve for x
    x = 11,672,134,814,828.97/3,892,043.92
  6. Step 6: Final answer
    x = 2,998,973.05

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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.