Finding the Fourth Proportional to 3,381,998.60, 5,072,923.99 and 823,227.05
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Solution
The fourth proportional to 3,381,998.60, 5,072,923.99 and 823,227.05 is: 1,234,822.59
Step by Step Solution
- Step 1: Write the proportion equation
3,381,998.60 : 5,072,923.99 = 823,227.05 : x - Step 2: Convert to fraction form
3,381,998.60/5,072,923.99 = 823,227.05/x - Step 3: Cross multiply
3,381,998.60x = 5,072,923.99 × 823,227.05 - Step 4: Simplify right side
3,381,998.60x = 4,176,168,261,786.17 - Step 5: Solve for x
x = 4,176,168,261,786.17/3,381,998.60 - Step 6: Final answer
x = 1,234,822.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.