Home / 1,912,181.05-2,638,709.67-1,052,573.41

Finding the Fourth Proportional to 1,912,181.05, 2,638,709.67 and 1,052,573.41

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Solution

The fourth proportional to 1,912,181.05, 2,638,709.67 and 1,052,573.41 is: 1,452,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,181.05 : 2,638,709.67 = 1,052,573.41 : x
  2. Step 2: Convert to fraction form
    1,912,181.05/2,638,709.67 = 1,052,573.41/x
  3. Step 3: Cross multiply
    1,912,181.05x = 2,638,709.67 × 1,052,573.41
  4. Step 4: Simplify right side
    1,912,181.05x = 2,777,435,622,158.33
  5. Step 5: Solve for x
    x = 2,777,435,622,158.33/1,912,181.05
  6. Step 6: Final answer
    x = 1,452,496.16

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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.