Finding the Fourth Proportional to 5,396,793.58, 7,448,496.60 and 3,221,448.94
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Solution
The fourth proportional to 5,396,793.58, 7,448,496.60 and 3,221,448.94 is: 4,446,149.57
Step by Step Solution
- Step 1: Write the proportion equation
5,396,793.58 : 7,448,496.60 = 3,221,448.94 : x - Step 2: Convert to fraction form
5,396,793.58/7,448,496.60 = 3,221,448.94/x - Step 3: Cross multiply
5,396,793.58x = 7,448,496.60 × 3,221,448.94 - Step 4: Simplify right side
5,396,793.58x = 23,994,951,476,663.60 - Step 5: Solve for x
x = 23,994,951,476,663.60/5,396,793.58 - Step 6: Final answer
x = 4,446,149.57
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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.