Finding the Fourth Proportional to 3,555,640.72, 4,906,797.20 and 1,924,048.09
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Solution
The fourth proportional to 3,555,640.72, 4,906,797.20 and 1,924,048.09 is: 2,655,193.40
Step by Step Solution
- Step 1: Write the proportion equation
3,555,640.72 : 4,906,797.20 = 1,924,048.09 : x - Step 2: Convert to fraction form
3,555,640.72/4,906,797.20 = 1,924,048.09/x - Step 3: Cross multiply
3,555,640.72x = 4,906,797.20 × 1,924,048.09 - Step 4: Simplify right side
3,555,640.72x = 9,440,913,780,677.35 - Step 5: Solve for x
x = 9,440,913,780,677.35/3,555,640.72 - Step 6: Final answer
x = 2,655,193.40
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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.