Finding the Fourth Proportional to 3,717,107.51, 5,575,661.55 and 1,321,046.70
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Solution
The fourth proportional to 3,717,107.51, 5,575,661.55 and 1,321,046.70 is: 1,981,570.15
Step by Step Solution
- Step 1: Write the proportion equation
3,717,107.51 : 5,575,661.55 = 1,321,046.70 : x - Step 2: Convert to fraction form
3,717,107.51/5,575,661.55 = 1,321,046.70/x - Step 3: Cross multiply
3,717,107.51x = 5,575,661.55 × 1,321,046.70 - Step 4: Simplify right side
3,717,107.51x = 7,365,709,290,944.39 - Step 5: Solve for x
x = 7,365,709,290,944.39/3,717,107.51 - Step 6: Final answer
x = 1,981,570.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.