Finding the Fourth Proportional to 4,791,704.78, 6,611,772.66 and 2,831,310.26
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Solution
The fourth proportional to 4,791,704.78, 6,611,772.66 and 2,831,310.26 is: 3,906,747.31
Step by Step Solution
- Step 1: Write the proportion equation
4,791,704.78 : 6,611,772.66 = 2,831,310.26 : x - Step 2: Convert to fraction form
4,791,704.78/6,611,772.66 = 2,831,310.26/x - Step 3: Cross multiply
4,791,704.78x = 6,611,772.66 × 2,831,310.26 - Step 4: Simplify right side
4,791,704.78x = 18,719,979,735,986.63 - Step 5: Solve for x
x = 18,719,979,735,986.63/4,791,704.78 - Step 6: Final answer
x = 3,906,747.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.