Finding the Fourth Proportional to 3,994,503.15, 5,992,084.49 and 1,298,766.99
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Solution
The fourth proportional to 3,994,503.15, 5,992,084.49 and 1,298,766.99 is: 1,948,257.70
Step by Step Solution
- Step 1: Write the proportion equation
3,994,503.15 : 5,992,084.49 = 1,298,766.99 : x - Step 2: Convert to fraction form
3,994,503.15/5,992,084.49 = 1,298,766.99/x - Step 3: Cross multiply
3,994,503.15x = 5,992,084.49 × 1,298,766.99 - Step 4: Simplify right side
3,994,503.15x = 7,782,321,530,409.15 - Step 5: Solve for x
x = 7,782,321,530,409.15/3,994,503.15 - Step 6: Final answer
x = 1,948,257.70
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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.