Home / 2,589,734.40-3,884,601.60-1,991,846.40

Finding the Fourth Proportional to 2,589,734.40, 3,884,601.60 and 1,991,846.40

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Solution

The fourth proportional to 2,589,734.40, 3,884,601.60 and 1,991,846.40 is: 2,987,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,734.40 : 3,884,601.60 = 1,991,846.40 : x
  2. Step 2: Convert to fraction form
    2,589,734.40/3,884,601.60 = 1,991,846.40/x
  3. Step 3: Cross multiply
    2,589,734.40x = 3,884,601.60 × 1,991,846.40
  4. Step 4: Simplify right side
    2,589,734.40x = 7,737,529,712,394.24
  5. Step 5: Solve for x
    x = 7,737,529,712,394.24/2,589,734.40
  6. Step 6: Final answer
    x = 2,987,769.60

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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.