Finding the Fourth Proportional to 3,279,544.96, 4,917,742.80 and 1,859,219.68
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Solution
The fourth proportional to 3,279,544.96, 4,917,742.80 and 1,859,219.68 is: 2,787,936.83
Step by Step Solution
- Step 1: Write the proportion equation
3,279,544.96 : 4,917,742.80 = 1,859,219.68 : x - Step 2: Convert to fraction form
3,279,544.96/4,917,742.80 = 1,859,219.68/x - Step 3: Cross multiply
3,279,544.96x = 4,917,742.80 × 1,859,219.68 - Step 4: Simplify right side
3,279,544.96x = 9,143,164,194,938.30 - Step 5: Solve for x
x = 9,143,164,194,938.30/3,279,544.96 - Step 6: Final answer
x = 2,787,936.83
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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.