Finding the Fourth Proportional to 5,659,929.20, 8,489,893.80 and 1,616,409.20
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Solution
The fourth proportional to 5,659,929.20, 8,489,893.80 and 1,616,409.20 is: 2,424,613.80
Step by Step Solution
- Step 1: Write the proportion equation
5,659,929.20 : 8,489,893.80 = 1,616,409.20 : x - Step 2: Convert to fraction form
5,659,929.20/8,489,893.80 = 1,616,409.20/x - Step 3: Cross multiply
5,659,929.20x = 8,489,893.80 × 1,616,409.20 - Step 4: Simplify right side
5,659,929.20x = 13,723,142,445,342.96 - Step 5: Solve for x
x = 13,723,142,445,342.96/5,659,929.20 - Step 6: Final answer
x = 2,424,613.80
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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.