Finding the Fourth Proportional to 4,937,213.76, 7,405,984.16 and 1,698,720.16
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Solution
The fourth proportional to 4,937,213.76, 7,405,984.16 and 1,698,720.16 is: 2,548,136.50
Step by Step Solution
- Step 1: Write the proportion equation
4,937,213.76 : 7,405,984.16 = 1,698,720.16 : x - Step 2: Convert to fraction form
4,937,213.76/7,405,984.16 = 1,698,720.16/x - Step 3: Cross multiply
4,937,213.76x = 7,405,984.16 × 1,698,720.16 - Step 4: Simplify right side
4,937,213.76x = 12,580,694,597,232.67 - Step 5: Solve for x
x = 12,580,694,597,232.67/4,937,213.76 - Step 6: Final answer
x = 2,548,136.50
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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.