Finding the Fourth Proportional to 2,682,142.31, 3,701,375.65 and 1,458,439.07
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Solution
The fourth proportional to 2,682,142.31, 3,701,375.65 and 1,458,439.07 is: 2,012,656.38
Step by Step Solution
- Step 1: Write the proportion equation
2,682,142.31 : 3,701,375.65 = 1,458,439.07 : x - Step 2: Convert to fraction form
2,682,142.31/3,701,375.65 = 1,458,439.07/x - Step 3: Cross multiply
2,682,142.31x = 3,701,375.65 × 1,458,439.07 - Step 4: Simplify right side
2,682,142.31x = 5,398,230,838,553.67 - Step 5: Solve for x
x = 5,398,230,838,553.67/2,682,142.31 - Step 6: Final answer
x = 2,012,656.38
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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.