Finding the Fourth Proportional to 5,446,935.94, 7,517,171.19 and 3,898,343.02
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Solution
The fourth proportional to 5,446,935.94, 7,517,171.19 and 3,898,343.02 is: 5,379,999.35
Step by Step Solution
- Step 1: Write the proportion equation
5,446,935.94 : 7,517,171.19 = 3,898,343.02 : x - Step 2: Convert to fraction form
5,446,935.94/7,517,171.19 = 3,898,343.02/x - Step 3: Cross multiply
5,446,935.94x = 7,517,171.19 × 3,898,343.02 - Step 4: Simplify right side
5,446,935.94x = 29,304,511,838,681.59 - Step 5: Solve for x
x = 29,304,511,838,681.59/5,446,935.94 - Step 6: Final answer
x = 5,379,999.35
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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.