Finding the Fourth Proportional to 6,331,243.88, 8,740,129.68 and 4,241,684.48
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Solution
The fourth proportional to 6,331,243.88, 8,740,129.68 and 4,241,684.48 is: 5,855,543.26
Step by Step Solution
- Step 1: Write the proportion equation
6,331,243.88 : 8,740,129.68 = 4,241,684.48 : x - Step 2: Convert to fraction form
6,331,243.88/8,740,129.68 = 4,241,684.48/x - Step 3: Cross multiply
6,331,243.88x = 8,740,129.68 × 4,241,684.48 - Step 4: Simplify right side
6,331,243.88x = 37,072,872,416,843.37 - Step 5: Solve for x
x = 37,072,872,416,843.37/6,331,243.88 - Step 6: Final answer
x = 5,855,543.26
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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.