Finding the Fourth Proportional to 8,201,941.92, 12,302,917.20 and 2,136,657.60
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Solution
The fourth proportional to 8,201,941.92, 12,302,917.20 and 2,136,657.60 is: 3,204,987.53
Step by Step Solution
- Step 1: Write the proportion equation
8,201,941.92 : 12,302,917.20 = 2,136,657.60 : x - Step 2: Convert to fraction form
8,201,941.92/12,302,917.20 = 2,136,657.60/x - Step 3: Cross multiply
8,201,941.92x = 12,302,917.20 × 2,136,657.60 - Step 4: Simplify right side
8,201,941.92x = 26,287,121,537,550.72 - Step 5: Solve for x
x = 26,287,121,537,550.72/8,201,941.92 - Step 6: Final answer
x = 3,204,987.53
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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.