Finding the Fourth Proportional to 3,836,537.82, 5,294,422.71 and 2,117,658.96
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Solution
The fourth proportional to 3,836,537.82, 5,294,422.71 and 2,117,658.96 is: 2,922,369.65
Step by Step Solution
- Step 1: Write the proportion equation
3,836,537.82 : 5,294,422.71 = 2,117,658.96 : x - Step 2: Convert to fraction form
3,836,537.82/5,294,422.71 = 2,117,658.96/x - Step 3: Cross multiply
3,836,537.82x = 5,294,422.71 × 2,117,658.96 - Step 4: Simplify right side
3,836,537.82x = 11,211,781,689,858.98 - Step 5: Solve for x
x = 11,211,781,689,858.98/3,836,537.82 - Step 6: Final answer
x = 2,922,369.65
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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.