Finding the Fourth Proportional to 6,527,687.74, 9,006,146.49 and 3,913,654.12
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Solution
The fourth proportional to 6,527,687.74, 9,006,146.49 and 3,913,654.12 is: 5,399,606.07
Step by Step Solution
- Step 1: Write the proportion equation
6,527,687.74 : 9,006,146.49 = 3,913,654.12 : x - Step 2: Convert to fraction form
6,527,687.74/9,006,146.49 = 3,913,654.12/x - Step 3: Cross multiply
6,527,687.74x = 9,006,146.49 × 3,913,654.12 - Step 4: Simplify right side
6,527,687.74x = 35,246,942,308,072.88 - Step 5: Solve for x
x = 35,246,942,308,072.88/6,527,687.74 - Step 6: Final answer
x = 5,399,606.07
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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.