Finding the Fourth Proportional to 1,512,145.80, 2,268,218.70 and 1,476,716.40
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Solution
The fourth proportional to 1,512,145.80, 2,268,218.70 and 1,476,716.40 is: 2,215,074.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,145.80 : 2,268,218.70 = 1,476,716.40 : x - Step 2: Convert to fraction form
1,512,145.80/2,268,218.70 = 1,476,716.40/x - Step 3: Cross multiply
1,512,145.80x = 2,268,218.70 × 1,476,716.40 - Step 4: Simplify right side
1,512,145.80x = 3,349,515,753,076.68 - Step 5: Solve for x
x = 3,349,515,753,076.68/1,512,145.80 - Step 6: Final answer
x = 2,215,074.60
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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.