Finding the Fourth Proportional to 3,476,247.40, 5,211,260.70 and 2,278,743.40
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Solution
The fourth proportional to 3,476,247.40, 5,211,260.70 and 2,278,743.40 is: 3,416,076.18
Step by Step Solution
- Step 1: Write the proportion equation
3,476,247.40 : 5,211,260.70 = 2,278,743.40 : x - Step 2: Convert to fraction form
3,476,247.40/5,211,260.70 = 2,278,743.40/x - Step 3: Cross multiply
3,476,247.40x = 5,211,260.70 × 2,278,743.40 - Step 4: Simplify right side
3,476,247.40x = 11,875,125,925,804.38 - Step 5: Solve for x
x = 11,875,125,925,804.38/3,476,247.40 - Step 6: Final answer
x = 3,416,076.18
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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.