Finding the Fourth Proportional to 3,782,486.44, 5,219,618.56 and 2,151,290.62
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Solution
The fourth proportional to 3,782,486.44, 5,219,618.56 and 2,151,290.62 is: 2,968,660.07
Step by Step Solution
- Step 1: Write the proportion equation
3,782,486.44 : 5,219,618.56 = 2,151,290.62 : x - Step 2: Convert to fraction form
3,782,486.44/5,219,618.56 = 2,151,290.62/x - Step 3: Cross multiply
3,782,486.44x = 5,219,618.56 × 2,151,290.62 - Step 4: Simplify right side
3,782,486.44x = 11,228,916,448,105.91 - Step 5: Solve for x
x = 11,228,916,448,105.91/3,782,486.44 - Step 6: Final answer
x = 2,968,660.07
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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.