Home / 1,917,487.98-2,647,091.43-1,192,569.39

Finding the Fourth Proportional to 1,917,487.98, 2,647,091.43 and 1,192,569.39

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Solution

The fourth proportional to 1,917,487.98, 2,647,091.43 and 1,192,569.39 is: 1,646,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,487.98 : 2,647,091.43 = 1,192,569.39 : x
  2. Step 2: Convert to fraction form
    1,917,487.98/2,647,091.43 = 1,192,569.39/x
  3. Step 3: Cross multiply
    1,917,487.98x = 2,647,091.43 × 1,192,569.39
  4. Step 4: Simplify right side
    1,917,487.98x = 3,156,840,211,949.33
  5. Step 5: Solve for x
    x = 3,156,840,211,949.33/1,917,487.98
  6. Step 6: Final answer
    x = 1,646,341.59

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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.