Home / 2,754,163.80-4,131,245.70-1,903,858.20

Finding the Fourth Proportional to 2,754,163.80, 4,131,245.70 and 1,903,858.20

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Solution

The fourth proportional to 2,754,163.80, 4,131,245.70 and 1,903,858.20 is: 2,855,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,163.80 : 4,131,245.70 = 1,903,858.20 : x
  2. Step 2: Convert to fraction form
    2,754,163.80/4,131,245.70 = 1,903,858.20/x
  3. Step 3: Cross multiply
    2,754,163.80x = 4,131,245.70 × 1,903,858.20
  4. Step 4: Simplify right side
    2,754,163.80x = 7,865,306,002,159.74
  5. Step 5: Solve for x
    x = 7,865,306,002,159.74/2,754,163.80
  6. Step 6: Final answer
    x = 2,855,787.30

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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.