Finding the Fourth Proportional to 2,385,571.74, 3,294,075.60 and 2,212,481.64
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Solution
The fourth proportional to 2,385,571.74, 3,294,075.60 and 2,212,481.64 is: 3,055,067.12
Step by Step Solution
- Step 1: Write the proportion equation
2,385,571.74 : 3,294,075.60 = 2,212,481.64 : x - Step 2: Convert to fraction form
2,385,571.74/3,294,075.60 = 2,212,481.64/x - Step 3: Cross multiply
2,385,571.74x = 3,294,075.60 × 2,212,481.64 - Step 4: Simplify right side
2,385,571.74x = 7,288,081,785,771.99 - Step 5: Solve for x
x = 7,288,081,785,771.99/2,385,571.74 - Step 6: Final answer
x = 3,055,067.12
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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.