Finding the Fourth Proportional to 5,322,824.82, 7,345,504.74 and 2,875,435.74
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Solution
The fourth proportional to 5,322,824.82, 7,345,504.74 and 2,875,435.74 is: 3,968,104.83
Step by Step Solution
- Step 1: Write the proportion equation
5,322,824.82 : 7,345,504.74 = 2,875,435.74 : x - Step 2: Convert to fraction form
5,322,824.82/7,345,504.74 = 2,875,435.74/x - Step 3: Cross multiply
5,322,824.82x = 7,345,504.74 × 2,875,435.74 - Step 4: Simplify right side
5,322,824.82x = 21,121,526,857,735.41 - Step 5: Solve for x
x = 21,121,526,857,735.41/5,322,824.82 - Step 6: Final answer
x = 3,968,104.83
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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.