Finding the Fourth Proportional to 1,647,895.82, 2,272,921.44 and 1,512,366.62
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Solution
The fourth proportional to 1,647,895.82, 2,272,921.44 and 1,512,366.62 is: 2,085,987.76
Step by Step Solution
- Step 1: Write the proportion equation
1,647,895.82 : 2,272,921.44 = 1,512,366.62 : x - Step 2: Convert to fraction form
1,647,895.82/2,272,921.44 = 1,512,366.62/x - Step 3: Cross multiply
1,647,895.82x = 2,272,921.44 × 1,512,366.62 - Step 4: Simplify right side
1,647,895.82x = 3,437,490,515,738.33 - Step 5: Solve for x
x = 3,437,490,515,738.33/1,647,895.82 - Step 6: Final answer
x = 2,085,987.76
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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.