Home / 2,731,905.30-4,097,143.85-812,299.54

Finding the Fourth Proportional to 2,731,905.30, 4,097,143.85 and 812,299.54

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Solution

The fourth proportional to 2,731,905.30, 4,097,143.85 and 812,299.54 is: 1,218,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,905.30 : 4,097,143.85 = 812,299.54 : x
  2. Step 2: Convert to fraction form
    2,731,905.30/4,097,143.85 = 812,299.54/x
  3. Step 3: Cross multiply
    2,731,905.30x = 4,097,143.85 × 812,299.54
  4. Step 4: Simplify right side
    2,731,905.30x = 3,328,108,064,668.83
  5. Step 5: Solve for x
    x = 3,328,108,064,668.83/2,731,905.30
  6. Step 6: Final answer
    x = 1,218,236.98

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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.