Home / 2,190,021.53-3,285,040.38-673,693.96

Finding the Fourth Proportional to 2,190,021.53, 3,285,040.38 and 673,693.96

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Solution

The fourth proportional to 2,190,021.53, 3,285,040.38 and 673,693.96 is: 1,010,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,021.53 : 3,285,040.38 = 673,693.96 : x
  2. Step 2: Convert to fraction form
    2,190,021.53/3,285,040.38 = 673,693.96/x
  3. Step 3: Cross multiply
    2,190,021.53x = 3,285,040.38 × 673,693.96
  4. Step 4: Simplify right side
    2,190,021.53x = 2,213,111,859,677.37
  5. Step 5: Solve for x
    x = 2,213,111,859,677.37/2,190,021.53
  6. Step 6: Final answer
    x = 1,010,543.42

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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.