Home / 2,783,662.12-4,174,238.39-986,136.75

Finding the Fourth Proportional to 2,783,662.12, 4,174,238.39 and 986,136.75

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Solution

The fourth proportional to 2,783,662.12, 4,174,238.39 and 986,136.75 is: 1,478,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,662.12 : 4,174,238.39 = 986,136.75 : x
  2. Step 2: Convert to fraction form
    2,783,662.12/4,174,238.39 = 986,136.75/x
  3. Step 3: Cross multiply
    2,783,662.12x = 4,174,238.39 × 986,136.75
  4. Step 4: Simplify right side
    2,783,662.12x = 4,116,369,896,156.25
  5. Step 5: Solve for x
    x = 4,116,369,896,156.25/2,783,662.12
  6. Step 6: Final answer
    x = 1,478,760.61

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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.