Finding the Fourth Proportional to 7,132,478.68, 10,698,680.58 and 1,741,157.56
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Solution
The fourth proportional to 7,132,478.68, 10,698,680.58 and 1,741,157.56 is: 2,611,727.20
Step by Step Solution
- Step 1: Write the proportion equation
7,132,478.68 : 10,698,680.58 = 1,741,157.56 : x - Step 2: Convert to fraction form
7,132,478.68/10,698,680.58 = 1,741,157.56/x - Step 3: Cross multiply
7,132,478.68x = 10,698,680.58 × 1,741,157.56 - Step 4: Simplify right side
7,132,478.68x = 18,628,088,573,892.18 - Step 5: Solve for x
x = 18,628,088,573,892.18/7,132,478.68 - Step 6: Final answer
x = 2,611,727.20
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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.