Home / 4,728,902.20-7,082,855.70-3,889,094.20

Finding the Fourth Proportional to 4,728,902.20, 7,082,855.70 and 3,889,094.20

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Solution

The fourth proportional to 4,728,902.20, 7,082,855.70 and 3,889,094.20 is: 5,825,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,902.20 : 7,082,855.70 = 3,889,094.20 : x
  2. Step 2: Convert to fraction form
    4,728,902.20/7,082,855.70 = 3,889,094.20/x
  3. Step 3: Cross multiply
    4,728,902.20x = 7,082,855.70 × 3,889,094.20
  4. Step 4: Simplify right side
    4,728,902.20x = 27,545,893,022,306.94
  5. Step 5: Solve for x
    x = 27,545,893,022,306.94/4,728,902.20
  6. Step 6: Final answer
    x = 5,825,007.97

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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.