Finding the Fourth Proportional to 3,609,483.62, 4,981,085.97 and 1,999,851.62
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Solution
The fourth proportional to 3,609,483.62, 4,981,085.97 and 1,999,851.62 is: 2,759,794.45
Step by Step Solution
- Step 1: Write the proportion equation
3,609,483.62 : 4,981,085.97 = 1,999,851.62 : x - Step 2: Convert to fraction form
3,609,483.62/4,981,085.97 = 1,999,851.62/x - Step 3: Cross multiply
3,609,483.62x = 4,981,085.97 × 1,999,851.62 - Step 4: Simplify right side
3,609,483.62x = 9,961,432,846,463.77 - Step 5: Solve for x
x = 9,961,432,846,463.77/3,609,483.62 - Step 6: Final answer
x = 2,759,794.45
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1.5x scale
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.