Finding the Fourth Proportional to 3,806,829.77, 5,696,900.53 and 2,728,530.79
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Solution
The fourth proportional to 3,806,829.77, 5,696,900.53 and 2,728,530.79 is: 4,083,231.83
Step by Step Solution
- Step 1: Write the proportion equation
3,806,829.77 : 5,696,900.53 = 2,728,530.79 : x - Step 2: Convert to fraction form
3,806,829.77/5,696,900.53 = 2,728,530.79/x - Step 3: Cross multiply
3,806,829.77x = 5,696,900.53 × 2,728,530.79 - Step 4: Simplify right side
3,806,829.77x = 15,544,168,482,608.74 - Step 5: Solve for x
x = 15,544,168,482,608.74/3,806,829.77 - Step 6: Final answer
x = 4,083,231.83
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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.