Finding the Fourth Proportional to 3,894,998.26, 5,374,998.39 and 2,176,131.70
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Solution
The fourth proportional to 3,894,998.26, 5,374,998.39 and 2,176,131.70 is: 3,003,006.32
Step by Step Solution
- Step 1: Write the proportion equation
3,894,998.26 : 5,374,998.39 = 2,176,131.70 : x - Step 2: Convert to fraction form
3,894,998.26/5,374,998.39 = 2,176,131.70/x - Step 3: Cross multiply
3,894,998.26x = 5,374,998.39 × 2,176,131.70 - Step 4: Simplify right side
3,894,998.26x = 11,696,704,383,927.96 - Step 5: Solve for x
x = 11,696,704,383,927.96/3,894,998.26 - Step 6: Final answer
x = 3,003,006.32
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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.