Finding the Fourth Proportional to 3,943,963.18, 5,916,599.11 and 1,384,514.64
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Solution
The fourth proportional to 3,943,963.18, 5,916,599.11 and 1,384,514.64 is: 2,077,001.66
Step by Step Solution
- Step 1: Write the proportion equation
3,943,963.18 : 5,916,599.11 = 1,384,514.64 : x - Step 2: Convert to fraction form
3,943,963.18/5,916,599.11 = 1,384,514.64/x - Step 3: Cross multiply
3,943,963.18x = 5,916,599.11 × 1,384,514.64 - Step 4: Simplify right side
3,943,963.18x = 8,191,618,086,805.97 - Step 5: Solve for x
x = 8,191,618,086,805.97/3,943,963.18 - Step 6: Final answer
x = 2,077,001.66
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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.