Home / 5,177,421.07-7,764,441.33-1,718,231.56

Finding the Fourth Proportional to 5,177,421.07, 7,764,441.33 and 1,718,231.56

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Solution

The fourth proportional to 5,177,421.07, 7,764,441.33 and 1,718,231.56 is: 2,576,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,421.07 : 7,764,441.33 = 1,718,231.56 : x
  2. Step 2: Convert to fraction form
    5,177,421.07/7,764,441.33 = 1,718,231.56/x
  3. Step 3: Cross multiply
    5,177,421.07x = 7,764,441.33 × 1,718,231.56
  4. Step 4: Simplify right side
    5,177,421.07x = 13,341,108,138,974.38
  5. Step 5: Solve for x
    x = 13,341,108,138,974.38/5,177,421.07
  6. Step 6: Final answer
    x = 2,576,786.39

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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.