Home / 1,542,861.72-2,129,102.10-854,506.26

Finding the Fourth Proportional to 1,542,861.72, 2,129,102.10 and 854,506.26

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Solution

The fourth proportional to 1,542,861.72, 2,129,102.10 and 854,506.26 is: 1,179,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,861.72 : 2,129,102.10 = 854,506.26 : x
  2. Step 2: Convert to fraction form
    1,542,861.72/2,129,102.10 = 854,506.26/x
  3. Step 3: Cross multiply
    1,542,861.72x = 2,129,102.10 × 854,506.26
  4. Step 4: Simplify right side
    1,542,861.72x = 1,819,331,072,629.15
  5. Step 5: Solve for x
    x = 1,819,331,072,629.15/1,542,861.72
  6. Step 6: Final answer
    x = 1,179,192.57

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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.