Home / 1,917,664.20-2,646,504.90-1,102,131.90

Finding the Fourth Proportional to 1,917,664.20, 2,646,504.90 and 1,102,131.90

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Solution

The fourth proportional to 1,917,664.20, 2,646,504.90 and 1,102,131.90 is: 1,521,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,664.20 : 2,646,504.90 = 1,102,131.90 : x
  2. Step 2: Convert to fraction form
    1,917,664.20/2,646,504.90 = 1,102,131.90/x
  3. Step 3: Cross multiply
    1,917,664.20x = 2,646,504.90 × 1,102,131.90
  4. Step 4: Simplify right side
    1,917,664.20x = 2,916,797,473,796.31
  5. Step 5: Solve for x
    x = 2,916,797,473,796.31/1,917,664.20
  6. Step 6: Final answer
    x = 1,521,015.76

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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.