Finding the Fourth Proportional to 7,722,181.85, 10,656,612.26 and 4,284,414.68
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Solution
The fourth proportional to 7,722,181.85, 10,656,612.26 and 4,284,414.68 is: 5,912,492.98
Step by Step Solution
- Step 1: Write the proportion equation
7,722,181.85 : 10,656,612.26 = 4,284,414.68 : x - Step 2: Convert to fraction form
7,722,181.85/10,656,612.26 = 4,284,414.68/x - Step 3: Cross multiply
7,722,181.85x = 10,656,612.26 × 4,284,414.68 - Step 4: Simplify right side
7,722,181.85x = 45,657,345,931,106.84 - Step 5: Solve for x
x = 45,657,345,931,106.84/7,722,181.85 - Step 6: Final answer
x = 5,912,492.98
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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.