Home / 1,998,414.51-2,757,807.24-1,127,246.31

Finding the Fourth Proportional to 1,998,414.51, 2,757,807.24 and 1,127,246.31

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Solution

The fourth proportional to 1,998,414.51, 2,757,807.24 and 1,127,246.31 is: 1,555,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,414.51 : 2,757,807.24 = 1,127,246.31 : x
  2. Step 2: Convert to fraction form
    1,998,414.51/2,757,807.24 = 1,127,246.31/x
  3. Step 3: Cross multiply
    1,998,414.51x = 2,757,807.24 × 1,127,246.31
  4. Step 4: Simplify right side
    1,998,414.51x = 3,108,728,034,981.28
  5. Step 5: Solve for x
    x = 3,108,728,034,981.28/1,998,414.51
  6. Step 6: Final answer
    x = 1,555,597.21

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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.