Finding the Fourth Proportional to 1,419,652.44, 2,129,784.84 and 408,767.58
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Solution
The fourth proportional to 1,419,652.44, 2,129,784.84 and 408,767.58 is: 613,239.53
Step by Step Solution
- Step 1: Write the proportion equation
1,419,652.44 : 2,129,784.84 = 408,767.58 : x - Step 2: Convert to fraction form
1,419,652.44/2,129,784.84 = 408,767.58/x - Step 3: Cross multiply
1,419,652.44x = 2,129,784.84 × 408,767.58 - Step 4: Simplify right side
1,419,652.44x = 870,586,994,967.49 - Step 5: Solve for x
x = 870,586,994,967.49/1,419,652.44 - Step 6: Final answer
x = 613,239.53
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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.