Finding the Fourth Proportional to 3,836,837.58, 5,294,649.93 and 2,182,828.96
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Solution
The fourth proportional to 3,836,837.58, 5,294,649.93 and 2,182,828.96 is: 3,012,198.19
Step by Step Solution
- Step 1: Write the proportion equation
3,836,837.58 : 5,294,649.93 = 2,182,828.96 : x - Step 2: Convert to fraction form
3,836,837.58/5,294,649.93 = 2,182,828.96/x - Step 3: Cross multiply
3,836,837.58x = 5,294,649.93 × 2,182,828.96 - Step 4: Simplify right side
3,836,837.58x = 11,557,315,218,959.67 - Step 5: Solve for x
x = 11,557,315,218,959.67/3,836,837.58 - Step 6: Final answer
x = 3,012,198.19
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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.