Finding the Fourth Proportional to 3,738,902.05, 5,159,688.48 and 2,020,023.93
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Solution
The fourth proportional to 3,738,902.05, 5,159,688.48 and 2,020,023.93 is: 2,787,635.00
Step by Step Solution
- Step 1: Write the proportion equation
3,738,902.05 : 5,159,688.48 = 2,020,023.93 : x - Step 2: Convert to fraction form
3,738,902.05/5,159,688.48 = 2,020,023.93/x - Step 3: Cross multiply
3,738,902.05x = 5,159,688.48 × 2,020,023.93 - Step 4: Simplify right side
3,738,902.05x = 10,422,694,190,845.21 - Step 5: Solve for x
x = 10,422,694,190,845.21/3,738,902.05 - Step 6: Final answer
x = 2,787,635.00
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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.