Finding the Fourth Proportional to 6,394,489.83, 8,824,457.96 and 3,493,880.44
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Solution
The fourth proportional to 6,394,489.83, 8,824,457.96 and 3,493,880.44 is: 4,821,588.88
Step by Step Solution
- Step 1: Write the proportion equation
6,394,489.83 : 8,824,457.96 = 3,493,880.44 : x - Step 2: Convert to fraction form
6,394,489.83/8,824,457.96 = 3,493,880.44/x - Step 3: Cross multiply
6,394,489.83x = 8,824,457.96 × 3,493,880.44 - Step 4: Simplify right side
6,394,489.83x = 30,831,601,060,046.30 - Step 5: Solve for x
x = 30,831,601,060,046.30/6,394,489.83 - Step 6: Final answer
x = 4,821,588.88
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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.