Finding the Fourth Proportional to 3,951,906.84, 5,453,630.37 and 2,141,070.84
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Solution
The fourth proportional to 3,951,906.84, 5,453,630.37 and 2,141,070.84 is: 2,954,677.18
Step by Step Solution
- Step 1: Write the proportion equation
3,951,906.84 : 5,453,630.37 = 2,141,070.84 : x - Step 2: Convert to fraction form
3,951,906.84/5,453,630.37 = 2,141,070.84/x - Step 3: Cross multiply
3,951,906.84x = 5,453,630.37 × 2,141,070.84 - Step 4: Simplify right side
3,951,906.84x = 11,676,608,957,345.41 - Step 5: Solve for x
x = 11,676,608,957,345.41/3,951,906.84 - Step 6: Final answer
x = 2,954,677.18
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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.