Finding the Fourth Proportional to 2,413,284.12, 3,330,912.08 and 1,381,390.08
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Solution
The fourth proportional to 2,413,284.12, 3,330,912.08 and 1,381,390.08 is: 1,906,650.31
Step by Step Solution
- Step 1: Write the proportion equation
2,413,284.12 : 3,330,912.08 = 1,381,390.08 : x - Step 2: Convert to fraction form
2,413,284.12/3,330,912.08 = 1,381,390.08/x - Step 3: Cross multiply
2,413,284.12x = 3,330,912.08 × 1,381,390.08 - Step 4: Simplify right side
2,413,284.12x = 4,601,288,904,664.17 - Step 5: Solve for x
x = 4,601,288,904,664.17/2,413,284.12 - Step 6: Final answer
x = 1,906,650.31
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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.