Finding the Fourth Proportional to 3,431,514.42, 4,736,057.58 and 1,904,113.62
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Solution
The fourth proportional to 3,431,514.42, 4,736,057.58 and 1,904,113.62 is: 2,627,991.80
Step by Step Solution
- Step 1: Write the proportion equation
3,431,514.42 : 4,736,057.58 = 1,904,113.62 : x - Step 2: Convert to fraction form
3,431,514.42/4,736,057.58 = 1,904,113.62/x - Step 3: Cross multiply
3,431,514.42x = 4,736,057.58 × 1,904,113.62 - Step 4: Simplify right side
3,431,514.42x = 9,017,991,743,182.24 - Step 5: Solve for x
x = 9,017,991,743,182.24/3,431,514.42 - Step 6: Final answer
x = 2,627,991.80
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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.