Home / 1,917,490.98-2,647,095.57-1,192,572.39

Finding the Fourth Proportional to 1,917,490.98, 2,647,095.57 and 1,192,572.39

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Solution

The fourth proportional to 1,917,490.98, 2,647,095.57 and 1,192,572.39 is: 1,646,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,490.98 : 2,647,095.57 = 1,192,572.39 : x
  2. Step 2: Convert to fraction form
    1,917,490.98/2,647,095.57 = 1,192,572.39/x
  3. Step 3: Cross multiply
    1,917,490.98x = 2,647,095.57 × 1,192,572.39
  4. Step 4: Simplify right side
    1,917,490.98x = 3,156,853,090,473.31
  5. Step 5: Solve for x
    x = 3,156,853,090,473.31/1,917,490.98
  6. Step 6: Final answer
    x = 1,646,345.73

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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.