Home / 5,450,120.78-8,174,909.42-2,038,156.54

Finding the Fourth Proportional to 5,450,120.78, 8,174,909.42 and 2,038,156.54

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Solution

The fourth proportional to 5,450,120.78, 8,174,909.42 and 2,038,156.54 is: 3,057,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,120.78 : 8,174,909.42 = 2,038,156.54 : x
  2. Step 2: Convert to fraction form
    5,450,120.78/8,174,909.42 = 2,038,156.54/x
  3. Step 3: Cross multiply
    5,450,120.78x = 8,174,909.42 × 2,038,156.54
  4. Step 4: Simplify right side
    5,450,120.78x = 16,661,745,086,760.27
  5. Step 5: Solve for x
    x = 16,661,745,086,760.27/5,450,120.78
  6. Step 6: Final answer
    x = 3,057,133.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.