Home / 2,279,542.08-3,145,004.08-1,312,651.56

Finding the Fourth Proportional to 2,279,542.08, 3,145,004.08 and 1,312,651.56

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Solution

The fourth proportional to 2,279,542.08, 3,145,004.08 and 1,312,651.56 is: 1,811,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,542.08 : 3,145,004.08 = 1,312,651.56 : x
  2. Step 2: Convert to fraction form
    2,279,542.08/3,145,004.08 = 1,312,651.56/x
  3. Step 3: Cross multiply
    2,279,542.08x = 3,145,004.08 × 1,312,651.56
  4. Step 4: Simplify right side
    2,279,542.08x = 4,128,294,511,818.37
  5. Step 5: Solve for x
    x = 4,128,294,511,818.37/2,279,542.08
  6. Step 6: Final answer
    x = 1,811,019.22

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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.