Finding the Fourth Proportional to 1,983,958.23, 2,738,115.62 and 1,168,237.82
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Solution
The fourth proportional to 1,983,958.23, 2,738,115.62 and 1,168,237.82 is: 1,612,317.32
Step by Step Solution
- Step 1: Write the proportion equation
1,983,958.23 : 2,738,115.62 = 1,168,237.82 : x - Step 2: Convert to fraction form
1,983,958.23/2,738,115.62 = 1,168,237.82/x - Step 3: Cross multiply
1,983,958.23x = 2,738,115.62 × 1,168,237.82 - Step 4: Simplify right side
1,983,958.23x = 3,198,770,228,201.74 - Step 5: Solve for x
x = 3,198,770,228,201.74/1,983,958.23 - Step 6: Final answer
x = 1,612,317.32
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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.