Home / 3,385,357.88-5,078,857.24-1,946,961.90

Finding the Fourth Proportional to 3,385,357.88, 5,078,857.24 and 1,946,961.90

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Solution

The fourth proportional to 3,385,357.88, 5,078,857.24 and 1,946,961.90 is: 2,920,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385,357.88 : 5,078,857.24 = 1,946,961.90 : x
  2. Step 2: Convert to fraction form
    3,385,357.88/5,078,857.24 = 1,946,961.90/x
  3. Step 3: Cross multiply
    3,385,357.88x = 5,078,857.24 × 1,946,961.90
  4. Step 4: Simplify right side
    3,385,357.88x = 9,888,341,544,252.86
  5. Step 5: Solve for x
    x = 9,888,341,544,252.86/3,385,357.88
  6. Step 6: Final answer
    x = 2,920,914.69

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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.