Finding the Fourth Proportional to 2,982,317.67, 4,115,714.90 and 1,693,278
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Solution
The fourth proportional to 2,982,317.67, 4,115,714.90 and 1,693,278 is: 2,336,789.79
Step by Step Solution
- Step 1: Write the proportion equation
2,982,317.67 : 4,115,714.90 = 1,693,278 : x - Step 2: Convert to fraction form
2,982,317.67/4,115,714.90 = 1,693,278/x - Step 3: Cross multiply
2,982,317.67x = 4,115,714.90 × 1,693,278 - Step 4: Simplify right side
2,982,317.67x = 6,969,049,485,975.81 - Step 5: Solve for x
x = 6,969,049,485,975.81/2,982,317.67 - Step 6: Final answer
x = 2,336,789.79
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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.