Finding the Fourth Proportional to 3,388,549.15, 5,081,495.32 and 1,229,059.99
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Solution
The fourth proportional to 3,388,549.15, 5,081,495.32 and 1,229,059.99 is: 1,843,108.15
Step by Step Solution
- Step 1: Write the proportion equation
3,388,549.15 : 5,081,495.32 = 1,229,059.99 : x - Step 2: Convert to fraction form
3,388,549.15/5,081,495.32 = 1,229,059.99/x - Step 3: Cross multiply
3,388,549.15x = 5,081,495.32 × 1,229,059.99 - Step 4: Simplify right side
3,388,549.15x = 6,245,462,558,704.12 - Step 5: Solve for x
x = 6,245,462,558,704.12/3,388,549.15 - Step 6: Final answer
x = 1,843,108.15
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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.