Finding the Fourth Proportional to 2,229,516.42, 3,076,544.71 and 1,236,110.70
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Solution
The fourth proportional to 2,229,516.42, 3,076,544.71 and 1,236,110.70 is: 1,705,728.56
Step by Step Solution
- Step 1: Write the proportion equation
2,229,516.42 : 3,076,544.71 = 1,236,110.70 : x - Step 2: Convert to fraction form
2,229,516.42/3,076,544.71 = 1,236,110.70/x - Step 3: Cross multiply
2,229,516.42x = 3,076,544.71 × 1,236,110.70 - Step 4: Simplify right side
2,229,516.42x = 3,802,949,836,012.24 - Step 5: Solve for x
x = 3,802,949,836,012.24/2,229,516.42 - Step 6: Final answer
x = 1,705,728.56
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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.