Finding the Fourth Proportional to 5,631,996.16, 7,772,107.44 and 3,185,087.68
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Solution
The fourth proportional to 5,631,996.16, 7,772,107.44 and 3,185,087.68 is: 4,395,394.27
Step by Step Solution
- Step 1: Write the proportion equation
5,631,996.16 : 7,772,107.44 = 3,185,087.68 : x - Step 2: Convert to fraction form
5,631,996.16/7,772,107.44 = 3,185,087.68/x - Step 3: Cross multiply
5,631,996.16x = 7,772,107.44 × 3,185,087.68 - Step 4: Simplify right side
5,631,996.16x = 24,754,843,654,780.34 - Step 5: Solve for x
x = 24,754,843,654,780.34/5,631,996.16 - Step 6: Final answer
x = 4,395,394.27
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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.