Finding the Fourth Proportional to 3,764,427.82, 5,194,488.74 and 2,132,485.68
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Solution
The fourth proportional to 3,764,427.82, 5,194,488.74 and 2,132,485.68 is: 2,942,591.39
Step by Step Solution
- Step 1: Write the proportion equation
3,764,427.82 : 5,194,488.74 = 2,132,485.68 : x - Step 2: Convert to fraction form
3,764,427.82/5,194,488.74 = 2,132,485.68/x - Step 3: Cross multiply
3,764,427.82x = 5,194,488.74 × 2,132,485.68 - Step 4: Simplify right side
3,764,427.82x = 11,077,172,873,783.38 - Step 5: Solve for x
x = 11,077,172,873,783.38/3,764,427.82 - Step 6: Final answer
x = 2,942,591.39
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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.