Finding the Fourth Proportional to 3,785,516.60, 5,223,815.30 and 2,066,304.96
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Solution
The fourth proportional to 3,785,516.60, 5,223,815.30 and 2,066,304.96 is: 2,851,392.99
Step by Step Solution
- Step 1: Write the proportion equation
3,785,516.60 : 5,223,815.30 = 2,066,304.96 : x - Step 2: Convert to fraction form
3,785,516.60/5,223,815.30 = 2,066,304.96/x - Step 3: Cross multiply
3,785,516.60x = 5,223,815.30 × 2,066,304.96 - Step 4: Simplify right side
3,785,516.60x = 10,793,995,472,748.67 - Step 5: Solve for x
x = 10,793,995,472,748.67/3,785,516.60 - Step 6: Final answer
x = 2,851,392.99
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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.