Finding the Fourth Proportional to 1,579,286.30, 2,179,415.10 and 854,134.02
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Solution
The fourth proportional to 1,579,286.30, 2,179,415.10 and 854,134.02 is: 1,178,704.95
Step by Step Solution
- Step 1: Write the proportion equation
1,579,286.30 : 2,179,415.10 = 854,134.02 : x - Step 2: Convert to fraction form
1,579,286.30/2,179,415.10 = 854,134.02/x - Step 3: Cross multiply
1,579,286.30x = 2,179,415.10 × 854,134.02 - Step 4: Simplify right side
1,579,286.30x = 1,861,512,580,611.70 - Step 5: Solve for x
x = 1,861,512,580,611.70/1,579,286.30 - Step 6: Final answer
x = 1,178,704.95
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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.