Home / 1,998,583.92-2,757,976.56-1,139,420.88

Finding the Fourth Proportional to 1,998,583.92, 2,757,976.56 and 1,139,420.88

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Solution

The fourth proportional to 1,998,583.92, 2,757,976.56 and 1,139,420.88 is: 1,572,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,583.92 : 2,757,976.56 = 1,139,420.88 : x
  2. Step 2: Convert to fraction form
    1,998,583.92/2,757,976.56 = 1,139,420.88/x
  3. Step 3: Cross multiply
    1,998,583.92x = 2,757,976.56 × 1,139,420.88
  4. Step 4: Simplify right side
    1,998,583.92x = 3,142,496,079,014.57
  5. Step 5: Solve for x
    x = 3,142,496,079,014.57/1,998,583.92
  6. Step 6: Final answer
    x = 1,572,361.33

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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.