Finding the Fourth Proportional to 6,212,620.26, 9,315,812.56 and 3,619,762.96
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Solution
The fourth proportional to 6,212,620.26, 9,315,812.56 and 3,619,762.96 is: 5,427,827.85
Step by Step Solution
- Step 1: Write the proportion equation
6,212,620.26 : 9,315,812.56 = 3,619,762.96 : x - Step 2: Convert to fraction form
6,212,620.26/9,315,812.56 = 3,619,762.96/x - Step 3: Cross multiply
6,212,620.26x = 9,315,812.56 × 3,619,762.96 - Step 4: Simplify right side
6,212,620.26x = 33,721,033,246,990.78 - Step 5: Solve for x
x = 33,721,033,246,990.78/6,212,620.26 - Step 6: Final answer
x = 5,427,827.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.