Finding the Fourth Proportional to 2,677,532.74, 3,694,957.35 and 1,515,949.06
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Solution
The fourth proportional to 2,677,532.74, 3,694,957.35 and 1,515,949.06 is: 2,091,988.28
Step by Step Solution
- Step 1: Write the proportion equation
2,677,532.74 : 3,694,957.35 = 1,515,949.06 : x - Step 2: Convert to fraction form
2,677,532.74/3,694,957.35 = 1,515,949.06/x - Step 3: Cross multiply
2,677,532.74x = 3,694,957.35 × 1,515,949.06 - Step 4: Simplify right side
2,677,532.74x = 5,601,367,121,472.59 - Step 5: Solve for x
x = 5,601,367,121,472.59/2,677,532.74 - Step 6: Final answer
x = 2,091,988.28
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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.