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Finding the Fourth Proportional to 1,793,899.92, 2,692,110.84 and 1,622,385.66

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Solution

The fourth proportional to 1,793,899.92, 2,692,110.84 and 1,622,385.66 is: 2,434,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,899.92 : 2,692,110.84 = 1,622,385.66 : x
  2. Step 2: Convert to fraction form
    1,793,899.92/2,692,110.84 = 1,622,385.66/x
  3. Step 3: Cross multiply
    1,793,899.92x = 2,692,110.84 × 1,622,385.66
  4. Step 4: Simplify right side
    1,793,899.92x = 4,367,642,008,486
  5. Step 5: Solve for x
    x = 4,367,642,008,486/1,793,899.92
  6. Step 6: Final answer
    x = 2,434,718.89

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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.