Finding the Fourth Proportional to 2,478,680.12, 3,717,942.42 and 1,363,757.24
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Solution
The fourth proportional to 2,478,680.12, 3,717,942.42 and 1,363,757.24 is: 2,045,593.08
Step by Step Solution
- Step 1: Write the proportion equation
2,478,680.12 : 3,717,942.42 = 1,363,757.24 : x - Step 2: Convert to fraction form
2,478,680.12/3,717,942.42 = 1,363,757.24/x - Step 3: Cross multiply
2,478,680.12x = 3,717,942.42 × 1,363,757.24 - Step 4: Simplify right side
2,478,680.12x = 5,070,370,893,178.12 - Step 5: Solve for x
x = 5,070,370,893,178.12/2,478,680.12 - Step 6: Final answer
x = 2,045,593.08
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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.