Finding the Fourth Proportional to 1,761,771.64, 2,431,446.54 and 987,611.57
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Solution
The fourth proportional to 1,761,771.64, 2,431,446.54 and 987,611.57 is: 1,363,017.02
Step by Step Solution
- Step 1: Write the proportion equation
1,761,771.64 : 2,431,446.54 = 987,611.57 : x - Step 2: Convert to fraction form
1,761,771.64/2,431,446.54 = 987,611.57/x - Step 3: Cross multiply
1,761,771.64x = 2,431,446.54 × 987,611.57 - Step 4: Simplify right side
1,761,771.64x = 2,401,324,722,583.24 - Step 5: Solve for x
x = 2,401,324,722,583.24/1,761,771.64 - Step 6: Final answer
x = 1,363,017.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.