Home / 3,021,879.51-4,532,996.97-862,738.65

Finding the Fourth Proportional to 3,021,879.51, 4,532,996.97 and 862,738.65

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Solution

The fourth proportional to 3,021,879.51, 4,532,996.97 and 862,738.65 is: 1,294,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,879.51 : 4,532,996.97 = 862,738.65 : x
  2. Step 2: Convert to fraction form
    3,021,879.51/4,532,996.97 = 862,738.65/x
  3. Step 3: Cross multiply
    3,021,879.51x = 4,532,996.97 × 862,738.65
  4. Step 4: Simplify right side
    3,021,879.51x = 3,910,791,686,351.89
  5. Step 5: Solve for x
    x = 3,910,791,686,351.89/3,021,879.51
  6. Step 6: Final answer
    x = 1,294,158.71

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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.