Finding the Fourth Proportional to 3,165,393.44, 4,368,236.84 and 1,715,128.13
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Solution
The fourth proportional to 3,165,393.44, 4,368,236.84 and 1,715,128.13 is: 2,366,873.51
Step by Step Solution
- Step 1: Write the proportion equation
3,165,393.44 : 4,368,236.84 = 1,715,128.13 : x - Step 2: Convert to fraction form
3,165,393.44/4,368,236.84 = 1,715,128.13/x - Step 3: Cross multiply
3,165,393.44x = 4,368,236.84 × 1,715,128.13 - Step 4: Simplify right side
3,165,393.44x = 7,492,085,882,786.31 - Step 5: Solve for x
x = 7,492,085,882,786.31/3,165,393.44 - Step 6: Final answer
x = 2,366,873.51
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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.