Finding the Fourth Proportional to 1,909,450.18, 2,863,961.43 and 489,539.62
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Solution
The fourth proportional to 1,909,450.18, 2,863,961.43 and 489,539.62 is: 734,254.61
Step by Step Solution
- Step 1: Write the proportion equation
1,909,450.18 : 2,863,961.43 = 489,539.62 : x - Step 2: Convert to fraction form
1,909,450.18/2,863,961.43 = 489,539.62/x - Step 3: Cross multiply
1,909,450.18x = 2,863,961.43 × 489,539.62 - Step 4: Simplify right side
1,909,450.18x = 1,402,022,590,136.86 - Step 5: Solve for x
x = 1,402,022,590,136.86/1,909,450.18 - Step 6: Final answer
x = 734,254.61
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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.