Home / 2,975,314.72-4,105,961.40-1,617,190.96

Finding the Fourth Proportional to 2,975,314.72, 4,105,961.40 and 1,617,190.96

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Solution

The fourth proportional to 2,975,314.72, 4,105,961.40 and 1,617,190.96 is: 2,231,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,314.72 : 4,105,961.40 = 1,617,190.96 : x
  2. Step 2: Convert to fraction form
    2,975,314.72/4,105,961.40 = 1,617,190.96/x
  3. Step 3: Cross multiply
    2,975,314.72x = 4,105,961.40 × 1,617,190.96
  4. Step 4: Simplify right side
    2,975,314.72x = 6,640,123,658,188.94
  5. Step 5: Solve for x
    x = 6,640,123,658,188.94/2,975,314.72
  6. Step 6: Final answer
    x = 2,231,738.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.