Finding the Fourth Proportional to 6,371,973.49, 8,793,288.62 and 3,471,357.37
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Solution
The fourth proportional to 6,371,973.49, 8,793,288.62 and 3,471,357.37 is: 4,790,454.21
Step by Step Solution
- Step 1: Write the proportion equation
6,371,973.49 : 8,793,288.62 = 3,471,357.37 : x - Step 2: Convert to fraction form
6,371,973.49/8,793,288.62 = 3,471,357.37/x - Step 3: Cross multiply
6,371,973.49x = 8,793,288.62 × 3,471,357.37 - Step 4: Simplify right side
6,371,973.49x = 30,524,647,257,574.13 - Step 5: Solve for x
x = 30,524,647,257,574.13/6,371,973.49 - Step 6: Final answer
x = 4,790,454.21
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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.