Finding the Fourth Proportional to 4,136,376.80, 6,199,316.40 and 3,663,984.80
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Solution
The fourth proportional to 4,136,376.80, 6,199,316.40 and 3,663,984.80 is: 5,491,327.84
Step by Step Solution
- Step 1: Write the proportion equation
4,136,376.80 : 6,199,316.40 = 3,663,984.80 : x - Step 2: Convert to fraction form
4,136,376.80/6,199,316.40 = 3,663,984.80/x - Step 3: Cross multiply
4,136,376.80x = 6,199,316.40 × 3,663,984.80 - Step 4: Simplify right side
4,136,376.80x = 22,714,201,059,990.72 - Step 5: Solve for x
x = 22,714,201,059,990.72/4,136,376.80 - Step 6: Final answer
x = 5,491,327.84
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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.