Finding the Fourth Proportional to 3,394,355.09, 5,059,555.94 and 3,121,949.66
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Solution
The fourth proportional to 3,394,355.09, 5,059,555.94 and 3,121,949.66 is: 4,653,514.00
Step by Step Solution
- Step 1: Write the proportion equation
3,394,355.09 : 5,059,555.94 = 3,121,949.66 : x - Step 2: Convert to fraction form
3,394,355.09/5,059,555.94 = 3,121,949.66/x - Step 3: Cross multiply
3,394,355.09x = 5,059,555.94 × 3,121,949.66 - Step 4: Simplify right side
3,394,355.09x = 15,795,678,911,580.11 - Step 5: Solve for x
x = 15,795,678,911,580.11/3,394,355.09 - Step 6: Final answer
x = 4,653,514.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.