Finding the Fourth Proportional to 3,902,164.57, 5,855,265.06 and 2,831,504.26
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Solution
The fourth proportional to 3,902,164.57, 5,855,265.06 and 2,831,504.26 is: 4,248,720.85
Step by Step Solution
- Step 1: Write the proportion equation
3,902,164.57 : 5,855,265.06 = 2,831,504.26 : x - Step 2: Convert to fraction form
3,902,164.57/5,855,265.06 = 2,831,504.26/x - Step 3: Cross multiply
3,902,164.57x = 5,855,265.06 × 2,831,504.26 - Step 4: Simplify right side
3,902,164.57x = 16,579,207,960,819.15 - Step 5: Solve for x
x = 16,579,207,960,819.15/3,902,164.57 - Step 6: Final answer
x = 4,248,720.85
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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.