Home / 1,900,998.18-2,622,969.09-1,126,872.90

Finding the Fourth Proportional to 1,900,998.18, 2,622,969.09 and 1,126,872.90

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Solution

The fourth proportional to 1,900,998.18, 2,622,969.09 and 1,126,872.90 is: 1,554,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,998.18 : 2,622,969.09 = 1,126,872.90 : x
  2. Step 2: Convert to fraction form
    1,900,998.18/2,622,969.09 = 1,126,872.90/x
  3. Step 3: Cross multiply
    1,900,998.18x = 2,622,969.09 × 1,126,872.90
  4. Step 4: Simplify right side
    1,900,998.18x = 2,955,752,785,058.66
  5. Step 5: Solve for x
    x = 2,955,752,785,058.66/1,900,998.18
  6. Step 6: Final answer
    x = 1,554,842.51

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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.