Finding the Fourth Proportional to 5,740,245.74, 7,921,539.56 and 3,161,926.52
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Solution
The fourth proportional to 5,740,245.74, 7,921,539.56 and 3,161,926.52 is: 4,363,458.83
Step by Step Solution
- Step 1: Write the proportion equation
5,740,245.74 : 7,921,539.56 = 3,161,926.52 : x - Step 2: Convert to fraction form
5,740,245.74/7,921,539.56 = 3,161,926.52/x - Step 3: Cross multiply
5,740,245.74x = 7,921,539.56 × 3,161,926.52 - Step 4: Simplify right side
5,740,245.74x = 25,047,325,991,963.84 - Step 5: Solve for x
x = 25,047,325,991,963.84/5,740,245.74 - Step 6: Final answer
x = 4,363,458.83
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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.