Home / 2,319,189.50-3,200,632.89-1,339,169.90

Finding the Fourth Proportional to 2,319,189.50, 3,200,632.89 and 1,339,169.90

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Solution

The fourth proportional to 2,319,189.50, 3,200,632.89 and 1,339,169.90 is: 1,848,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,189.50 : 3,200,632.89 = 1,339,169.90 : x
  2. Step 2: Convert to fraction form
    2,319,189.50/3,200,632.89 = 1,339,169.90/x
  3. Step 3: Cross multiply
    2,319,189.50x = 3,200,632.89 × 1,339,169.90
  4. Step 4: Simplify right side
    2,319,189.50x = 4,286,191,227,238.01
  5. Step 5: Solve for x
    x = 4,286,191,227,238.01/2,319,189.50
  6. Step 6: Final answer
    x = 1,848,141.87

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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.