Finding the Fourth Proportional to 2,750,706.36, 4,125,864.75 and 728,905.50
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Solution
The fourth proportional to 2,750,706.36, 4,125,864.75 and 728,905.50 is: 1,093,306.63
Step by Step Solution
- Step 1: Write the proportion equation
2,750,706.36 : 4,125,864.75 = 728,905.50 : x - Step 2: Convert to fraction form
2,750,706.36/4,125,864.75 = 728,905.50/x - Step 3: Cross multiply
2,750,706.36x = 4,125,864.75 × 728,905.50 - Step 4: Simplify right side
2,750,706.36x = 3,007,365,508,531.13 - Step 5: Solve for x
x = 3,007,365,508,531.13/2,750,706.36 - Step 6: Final answer
x = 1,093,306.63
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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.