Home / 3,445,911.72-4,755,252.42-1,917,979.56

Finding the Fourth Proportional to 3,445,911.72, 4,755,252.42 and 1,917,979.56

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Solution

The fourth proportional to 3,445,911.72, 4,755,252.42 and 1,917,979.56 is: 2,646,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,911.72 : 4,755,252.42 = 1,917,979.56 : x
  2. Step 2: Convert to fraction form
    3,445,911.72/4,755,252.42 = 1,917,979.56/x
  3. Step 3: Cross multiply
    3,445,911.72x = 4,755,252.42 × 1,917,979.56
  4. Step 4: Simplify right side
    3,445,911.72x = 9,120,476,944,200.54
  5. Step 5: Solve for x
    x = 9,120,476,944,200.54/3,445,911.72
  6. Step 6: Final answer
    x = 2,646,752.93

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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.