Finding the Fourth Proportional to 5,787,240.40, 8,680,860.60 and 3,771,701.20
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Solution
The fourth proportional to 5,787,240.40, 8,680,860.60 and 3,771,701.20 is: 5,657,551.80
Step by Step Solution
- Step 1: Write the proportion equation
5,787,240.40 : 8,680,860.60 = 3,771,701.20 : x - Step 2: Convert to fraction form
5,787,240.40/8,680,860.60 = 3,771,701.20/x - Step 3: Cross multiply
5,787,240.40x = 8,680,860.60 × 3,771,701.20 - Step 4: Simplify right side
5,787,240.40x = 32,741,612,342,052.72 - Step 5: Solve for x
x = 32,741,612,342,052.72/5,787,240.40 - Step 6: Final answer
x = 5,657,551.80
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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.