Home / 1,916,142.31-2,644,187.37-1,099,771.39

Finding the Fourth Proportional to 1,916,142.31, 2,644,187.37 and 1,099,771.39

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Solution

The fourth proportional to 1,916,142.31, 2,644,187.37 and 1,099,771.39 is: 1,517,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,142.31 : 2,644,187.37 = 1,099,771.39 : x
  2. Step 2: Convert to fraction form
    1,916,142.31/2,644,187.37 = 1,099,771.39/x
  3. Step 3: Cross multiply
    1,916,142.31x = 2,644,187.37 × 1,099,771.39
  4. Step 4: Simplify right side
    1,916,142.31x = 2,908,001,624,692.65
  5. Step 5: Solve for x
    x = 2,908,001,624,692.65/1,916,142.31
  6. Step 6: Final answer
    x = 1,517,633.43

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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.