Home / 2,579,455.80-3,869,183.70-1,303,997.40

Finding the Fourth Proportional to 2,579,455.80, 3,869,183.70 and 1,303,997.40

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Solution

The fourth proportional to 2,579,455.80, 3,869,183.70 and 1,303,997.40 is: 1,955,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,455.80 : 3,869,183.70 = 1,303,997.40 : x
  2. Step 2: Convert to fraction form
    2,579,455.80/3,869,183.70 = 1,303,997.40/x
  3. Step 3: Cross multiply
    2,579,455.80x = 3,869,183.70 × 1,303,997.40
  4. Step 4: Simplify right side
    2,579,455.80x = 5,045,405,484,922.38
  5. Step 5: Solve for x
    x = 5,045,405,484,922.38/2,579,455.80
  6. Step 6: Final answer
    x = 1,955,996.10

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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.