Finding the Fourth Proportional to 4,505,918.76, 6,218,181.72 and 2,440,955.52
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Solution
The fourth proportional to 4,505,918.76, 6,218,181.72 and 2,440,955.52 is: 3,368,526.11
Step by Step Solution
- Step 1: Write the proportion equation
4,505,918.76 : 6,218,181.72 = 2,440,955.52 : x - Step 2: Convert to fraction form
4,505,918.76/6,218,181.72 = 2,440,955.52/x - Step 3: Cross multiply
4,505,918.76x = 6,218,181.72 × 2,440,955.52 - Step 4: Simplify right side
4,505,918.76x = 15,178,304,993,797.09 - Step 5: Solve for x
x = 15,178,304,993,797.09/4,505,918.76 - Step 6: Final answer
x = 3,368,526.11
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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.