Finding the Fourth Proportional to 3,973,379.94, 5,960,958.38 and 1,449,035.19
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Solution
The fourth proportional to 3,973,379.94, 5,960,958.38 and 1,449,035.19 is: 2,173,876.80
Step by Step Solution
- Step 1: Write the proportion equation
3,973,379.94 : 5,960,958.38 = 1,449,035.19 : x - Step 2: Convert to fraction form
3,973,379.94/5,960,958.38 = 1,449,035.19/x - Step 3: Cross multiply
3,973,379.94x = 5,960,958.38 × 1,449,035.19 - Step 4: Simplify right side
3,973,379.94x = 8,637,638,458,745.39 - Step 5: Solve for x
x = 8,637,638,458,745.39/3,973,379.94 - Step 6: Final answer
x = 2,173,876.80
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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.