Finding the Fourth Proportional to 5,646,124.44, 7,791,638.76 and 3,067,815.60
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Solution
The fourth proportional to 5,646,124.44, 7,791,638.76 and 3,067,815.60 is: 4,233,578.48
Step by Step Solution
- Step 1: Write the proportion equation
5,646,124.44 : 7,791,638.76 = 3,067,815.60 : x - Step 2: Convert to fraction form
5,646,124.44/7,791,638.76 = 3,067,815.60/x - Step 3: Cross multiply
5,646,124.44x = 7,791,638.76 × 3,067,815.60 - Step 4: Simplify right side
5,646,124.44x = 23,903,310,937,492.66 - Step 5: Solve for x
x = 23,903,310,937,492.66/5,646,124.44 - Step 6: Final answer
x = 4,233,578.48
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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.