Home / 2,051,212.70-3,076,819.05-1,379,366.30

Finding the Fourth Proportional to 2,051,212.70, 3,076,819.05 and 1,379,366.30

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Solution

The fourth proportional to 2,051,212.70, 3,076,819.05 and 1,379,366.30 is: 2,069,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,212.70 : 3,076,819.05 = 1,379,366.30 : x
  2. Step 2: Convert to fraction form
    2,051,212.70/3,076,819.05 = 1,379,366.30/x
  3. Step 3: Cross multiply
    2,051,212.70x = 3,076,819.05 × 1,379,366.30
  4. Step 4: Simplify right side
    2,051,212.70x = 4,244,060,508,768.01
  5. Step 5: Solve for x
    x = 4,244,060,508,768.01/2,051,212.70
  6. Step 6: Final answer
    x = 2,069,049.45

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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.