Finding the Fourth Proportional to 3,485,888.66, 5,229,673.63 and 1,211,081.99
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Solution
The fourth proportional to 3,485,888.66, 5,229,673.63 and 1,211,081.99 is: 1,816,915.03
Step by Step Solution
- Step 1: Write the proportion equation
3,485,888.66 : 5,229,673.63 = 1,211,081.99 : x - Step 2: Convert to fraction form
3,485,888.66/5,229,673.63 = 1,211,081.99/x - Step 3: Cross multiply
3,485,888.66x = 5,229,673.63 × 1,211,081.99 - Step 4: Simplify right side
3,485,888.66x = 6,333,563,517,694.85 - Step 5: Solve for x
x = 6,333,563,517,694.85/3,485,888.66 - Step 6: Final answer
x = 1,816,915.03
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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.