Finding the Fourth Proportional to 1,664,342.24, 2,296,811.09 and 939,198.65
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Solution
The fourth proportional to 1,664,342.24, 2,296,811.09 and 939,198.65 is: 1,296,104.74
Step by Step Solution
- Step 1: Write the proportion equation
1,664,342.24 : 2,296,811.09 = 939,198.65 : x - Step 2: Convert to fraction form
1,664,342.24/2,296,811.09 = 939,198.65/x - Step 3: Cross multiply
1,664,342.24x = 2,296,811.09 × 939,198.65 - Step 4: Simplify right side
1,664,342.24x = 2,157,161,865,896.97 - Step 5: Solve for x
x = 2,157,161,865,896.97/1,664,342.24 - Step 6: Final answer
x = 1,296,104.74
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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.