Home / 2,310,231.75-3,188,239.40-1,330,316.34

Finding the Fourth Proportional to 2,310,231.75, 3,188,239.40 and 1,330,316.34

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Solution

The fourth proportional to 2,310,231.75, 3,188,239.40 and 1,330,316.34 is: 1,835,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,231.75 : 3,188,239.40 = 1,330,316.34 : x
  2. Step 2: Convert to fraction form
    2,310,231.75/3,188,239.40 = 1,330,316.34/x
  3. Step 3: Cross multiply
    2,310,231.75x = 3,188,239.40 × 1,330,316.34
  4. Step 4: Simplify right side
    2,310,231.75x = 4,241,366,969,651.80
  5. Step 5: Solve for x
    x = 4,241,366,969,651.80/2,310,231.75
  6. Step 6: Final answer
    x = 1,835,905.41

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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.