Home / 2,289,940.80-3,431,973.60-1,279,060.80

Finding the Fourth Proportional to 2,289,940.80, 3,431,973.60 and 1,279,060.80

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Solution

The fourth proportional to 2,289,940.80, 3,431,973.60 and 1,279,060.80 is: 1,916,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,940.80 : 3,431,973.60 = 1,279,060.80 : x
  2. Step 2: Convert to fraction form
    2,289,940.80/3,431,973.60 = 1,279,060.80/x
  3. Step 3: Cross multiply
    2,289,940.80x = 3,431,973.60 × 1,279,060.80
  4. Step 4: Simplify right side
    2,289,940.80x = 4,389,702,898,394.88
  5. Step 5: Solve for x
    x = 4,389,702,898,394.88/2,289,940.80
  6. Step 6: Final answer
    x = 1,916,950.39

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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.