Finding the Fourth Proportional to 5,207,741.43, 7,808,764.58 and 4,135,144.02
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Solution
The fourth proportional to 5,207,741.43, 7,808,764.58 and 4,135,144.02 is: 6,200,454.96
Step by Step Solution
- Step 1: Write the proportion equation
5,207,741.43 : 7,808,764.58 = 4,135,144.02 : x - Step 2: Convert to fraction form
5,207,741.43/7,808,764.58 = 4,135,144.02/x - Step 3: Cross multiply
5,207,741.43x = 7,808,764.58 × 4,135,144.02 - Step 4: Simplify right side
5,207,741.43x = 32,290,366,156,574.81 - Step 5: Solve for x
x = 32,290,366,156,574.81/5,207,741.43 - Step 6: Final answer
x = 6,200,454.96
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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.