Finding the Fourth Proportional to 3,259,678.68, 4,498,641.18 and 1,901,989.08
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Solution
The fourth proportional to 3,259,678.68, 4,498,641.18 and 1,901,989.08 is: 2,624,910.99
Step by Step Solution
- Step 1: Write the proportion equation
3,259,678.68 : 4,498,641.18 = 1,901,989.08 : x - Step 2: Convert to fraction form
3,259,678.68/4,498,641.18 = 1,901,989.08/x - Step 3: Cross multiply
3,259,678.68x = 4,498,641.18 × 1,901,989.08 - Step 4: Simplify right side
3,259,678.68x = 8,556,366,399,198.32 - Step 5: Solve for x
x = 8,556,366,399,198.32/3,259,678.68 - Step 6: Final answer
x = 2,624,910.99
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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.