Finding the Fourth Proportional to 1,541,415.08, 2,312,079.26 and 419,493.80
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Solution
The fourth proportional to 1,541,415.08, 2,312,079.26 and 419,493.80 is: 629,228.90
Step by Step Solution
- Step 1: Write the proportion equation
1,541,415.08 : 2,312,079.26 = 419,493.80 : x - Step 2: Convert to fraction form
1,541,415.08/2,312,079.26 = 419,493.80/x - Step 3: Cross multiply
1,541,415.08x = 2,312,079.26 × 419,493.80 - Step 4: Simplify right side
1,541,415.08x = 969,902,914,678.59 - Step 5: Solve for x
x = 969,902,914,678.59/1,541,415.08 - Step 6: Final answer
x = 629,228.90
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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.