Finding the Fourth Proportional to 1,579,286.37, 2,179,415.20 and 854,134.10
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Solution
The fourth proportional to 1,579,286.37, 2,179,415.20 and 854,134.10 is: 1,178,705.06
Step by Step Solution
- Step 1: Write the proportion equation
1,579,286.37 : 2,179,415.20 = 854,134.10 : x - Step 2: Convert to fraction form
1,579,286.37/2,179,415.20 = 854,134.10/x - Step 3: Cross multiply
1,579,286.37x = 2,179,415.20 × 854,134.10 - Step 4: Simplify right side
1,579,286.37x = 1,861,512,840,378.32 - Step 5: Solve for x
x = 1,861,512,840,378.32/1,579,286.37 - Step 6: Final answer
x = 1,178,705.06
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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.