Finding the Fourth Proportional to 3,770,918.94, 5,206,471.65 and 3,529,999.02
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Solution
The fourth proportional to 3,770,918.94, 5,206,471.65 and 3,529,999.02 is: 4,873,835.82
Step by Step Solution
- Step 1: Write the proportion equation
3,770,918.94 : 5,206,471.65 = 3,529,999.02 : x - Step 2: Convert to fraction form
3,770,918.94/5,206,471.65 = 3,529,999.02/x - Step 3: Cross multiply
3,770,918.94x = 5,206,471.65 × 3,529,999.02 - Step 4: Simplify right side
3,770,918.94x = 18,378,839,822,157.79 - Step 5: Solve for x
x = 18,378,839,822,157.79/3,770,918.94 - Step 6: Final answer
x = 4,873,835.82
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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.