Finding the Fourth Proportional to 2,831,611.44, 4,245,776.84 and 1,934,137.74
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Solution
The fourth proportional to 2,831,611.44, 4,245,776.84 and 1,934,137.74 is: 2,900,086.19
Step by Step Solution
- Step 1: Write the proportion equation
2,831,611.44 : 4,245,776.84 = 1,934,137.74 : x - Step 2: Convert to fraction form
2,831,611.44/4,245,776.84 = 1,934,137.74/x - Step 3: Cross multiply
2,831,611.44x = 4,245,776.84 × 1,934,137.74 - Step 4: Simplify right side
2,831,611.44x = 8,211,917,221,861.94 - Step 5: Solve for x
x = 8,211,917,221,861.94/2,831,611.44 - Step 6: Final answer
x = 2,900,086.19
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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.