Home / 2,156,163.44-2,975,453.42-1,189,272.96

Finding the Fourth Proportional to 2,156,163.44, 2,975,453.42 and 1,189,272.96

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Solution

The fourth proportional to 2,156,163.44, 2,975,453.42 and 1,189,272.96 is: 1,641,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,163.44 : 2,975,453.42 = 1,189,272.96 : x
  2. Step 2: Convert to fraction form
    2,156,163.44/2,975,453.42 = 1,189,272.96/x
  3. Step 3: Cross multiply
    2,156,163.44x = 2,975,453.42 × 1,189,272.96
  4. Step 4: Simplify right side
    2,156,163.44x = 3,538,626,290,199.16
  5. Step 5: Solve for x
    x = 3,538,626,290,199.16/2,156,163.44
  6. Step 6: Final answer
    x = 1,641,167.93

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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.