Finding the Fourth Proportional to 3,836,317.07, 5,293,740.38 and 2,117,326.79
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Solution
The fourth proportional to 3,836,317.07, 5,293,740.38 and 2,117,326.79 is: 2,921,702.79
Step by Step Solution
- Step 1: Write the proportion equation
3,836,317.07 : 5,293,740.38 = 2,117,326.79 : x - Step 2: Convert to fraction form
3,836,317.07/5,293,740.38 = 2,117,326.79/x - Step 3: Cross multiply
3,836,317.07x = 5,293,740.38 × 2,117,326.79 - Step 4: Simplify right side
3,836,317.07x = 11,208,578,288,823.45 - Step 5: Solve for x
x = 11,208,578,288,823.45/3,836,317.07 - Step 6: Final answer
x = 2,921,702.79
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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.