Finding the Fourth Proportional to 3,825,272.44, 5,278,875.96 and 2,106,388.88
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Solution
The fourth proportional to 3,825,272.44, 5,278,875.96 and 2,106,388.88 is: 2,906,816.65
Step by Step Solution
- Step 1: Write the proportion equation
3,825,272.44 : 5,278,875.96 = 2,106,388.88 : x - Step 2: Convert to fraction form
3,825,272.44/5,278,875.96 = 2,106,388.88/x - Step 3: Cross multiply
3,825,272.44x = 5,278,875.96 × 2,106,388.88 - Step 4: Simplify right side
3,825,272.44x = 11,119,365,621,043.32 - Step 5: Solve for x
x = 11,119,365,621,043.32/3,825,272.44 - Step 6: Final answer
x = 2,906,816.65
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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.