Finding the Fourth Proportional to 6,631,789.14, 9,151,775.25 and 3,731,173.09
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Solution
The fourth proportional to 6,631,789.14, 9,151,775.25 and 3,731,173.09 is: 5,148,966.11
Step by Step Solution
- Step 1: Write the proportion equation
6,631,789.14 : 9,151,775.25 = 3,731,173.09 : x - Step 2: Convert to fraction form
6,631,789.14/9,151,775.25 = 3,731,173.09/x - Step 3: Cross multiply
6,631,789.14x = 9,151,775.25 × 3,731,173.09 - Step 4: Simplify right side
6,631,789.14x = 34,146,857,538,528.02 - Step 5: Solve for x
x = 34,146,857,538,528.02/6,631,789.14 - Step 6: Final answer
x = 5,148,966.11
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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.