Home / 1,542,163.60-2,128,185.48-863,100.10

Finding the Fourth Proportional to 1,542,163.60, 2,128,185.48 and 863,100.10

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Solution

The fourth proportional to 1,542,163.60, 2,128,185.48 and 863,100.10 is: 1,191,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,163.60 : 2,128,185.48 = 863,100.10 : x
  2. Step 2: Convert to fraction form
    1,542,163.60/2,128,185.48 = 863,100.10/x
  3. Step 3: Cross multiply
    1,542,163.60x = 2,128,185.48 × 863,100.10
  4. Step 4: Simplify right side
    1,542,163.60x = 1,836,837,100,606.55
  5. Step 5: Solve for x
    x = 1,836,837,100,606.55/1,542,163.60
  6. Step 6: Final answer
    x = 1,191,077.98

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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.