Finding the Fourth Proportional to 3,474,744.67, 4,795,139.21 and 1,904,873.75
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Solution
The fourth proportional to 3,474,744.67, 4,795,139.21 and 1,904,873.75 is: 2,628,721.15
Step by Step Solution
- Step 1: Write the proportion equation
3,474,744.67 : 4,795,139.21 = 1,904,873.75 : x - Step 2: Convert to fraction form
3,474,744.67/4,795,139.21 = 1,904,873.75/x - Step 3: Cross multiply
3,474,744.67x = 4,795,139.21 × 1,904,873.75 - Step 4: Simplify right side
3,474,744.67x = 9,134,134,808,724.74 - Step 5: Solve for x
x = 9,134,134,808,724.74/3,474,744.67 - Step 6: Final answer
x = 2,628,721.15
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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.