Home / 1,874,188.55-2,809,157.58-861,217.37

Finding the Fourth Proportional to 1,874,188.55, 2,809,157.58 and 861,217.37

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Solution

The fourth proportional to 1,874,188.55, 2,809,157.58 and 861,217.37 is: 1,290,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,188.55 : 2,809,157.58 = 861,217.37 : x
  2. Step 2: Convert to fraction form
    1,874,188.55/2,809,157.58 = 861,217.37/x
  3. Step 3: Cross multiply
    1,874,188.55x = 2,809,157.58 × 861,217.37
  4. Step 4: Simplify right side
    1,874,188.55x = 2,419,295,306,756.49
  5. Step 5: Solve for x
    x = 2,419,295,306,756.49/1,874,188.55
  6. Step 6: Final answer
    x = 1,290,849.48

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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.