Home / 2,183,079.80-3,276,174.90-921,812.60

Finding the Fourth Proportional to 2,183,079.80, 3,276,174.90 and 921,812.60

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Solution

The fourth proportional to 2,183,079.80, 3,276,174.90 and 921,812.60 is: 1,383,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,079.80 : 3,276,174.90 = 921,812.60 : x
  2. Step 2: Convert to fraction form
    2,183,079.80/3,276,174.90 = 921,812.60/x
  3. Step 3: Cross multiply
    2,183,079.80x = 3,276,174.90 × 921,812.60
  4. Step 4: Simplify right side
    2,183,079.80x = 3,020,019,302,623.74
  5. Step 5: Solve for x
    x = 3,020,019,302,623.74/2,183,079.80
  6. Step 6: Final answer
    x = 1,383,375.59

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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.