Finding the Fourth Proportional to 1,323,474.14, 1,985,211.39 and 326,202.14
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Solution
The fourth proportional to 1,323,474.14, 1,985,211.39 and 326,202.14 is: 489,303.25
Step by Step Solution
- Step 1: Write the proportion equation
1,323,474.14 : 1,985,211.39 = 326,202.14 : x - Step 2: Convert to fraction form
1,323,474.14/1,985,211.39 = 326,202.14/x - Step 3: Cross multiply
1,323,474.14x = 1,985,211.39 × 326,202.14 - Step 4: Simplify right side
1,323,474.14x = 647,580,203,770.38 - Step 5: Solve for x
x = 647,580,203,770.38/1,323,474.14 - Step 6: Final answer
x = 489,303.25
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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.