Finding the Fourth Proportional to 2,397,352.08, 3,308,446.56 and 1,378,757.76
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Solution
The fourth proportional to 2,397,352.08, 3,308,446.56 and 1,378,757.76 is: 1,902,743.62
Step by Step Solution
- Step 1: Write the proportion equation
2,397,352.08 : 3,308,446.56 = 1,378,757.76 : x - Step 2: Convert to fraction form
2,397,352.08/3,308,446.56 = 1,378,757.76/x - Step 3: Cross multiply
2,397,352.08x = 3,308,446.56 × 1,378,757.76 - Step 4: Simplify right side
2,397,352.08x = 4,561,546,368,145.31 - Step 5: Solve for x
x = 4,561,546,368,145.31/2,397,352.08 - Step 6: Final answer
x = 1,902,743.62
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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.