Finding the Fourth Proportional to 2,611,578.75, 3,917,396.81 and 789,962.19
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Solution
The fourth proportional to 2,611,578.75, 3,917,396.81 and 789,962.19 is: 1,184,951.96
Step by Step Solution
- Step 1: Write the proportion equation
2,611,578.75 : 3,917,396.81 = 789,962.19 : x - Step 2: Convert to fraction form
2,611,578.75/3,917,396.81 = 789,962.19/x - Step 3: Cross multiply
2,611,578.75x = 3,917,396.81 × 789,962.19 - Step 4: Simplify right side
2,611,578.75x = 3,094,595,363,126.61 - Step 5: Solve for x
x = 3,094,595,363,126.61/2,611,578.75 - Step 6: Final answer
x = 1,184,951.96
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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.