Finding the Fourth Proportional to 5,490,504.86, 8,235,715.82 and 1,652,310.75
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Solution
The fourth proportional to 5,490,504.86, 8,235,715.82 and 1,652,310.75 is: 2,478,453.65
Step by Step Solution
- Step 1: Write the proportion equation
5,490,504.86 : 8,235,715.82 = 1,652,310.75 : x - Step 2: Convert to fraction form
5,490,504.86/8,235,715.82 = 1,652,310.75/x - Step 3: Cross multiply
5,490,504.86x = 8,235,715.82 × 1,652,310.75 - Step 4: Simplify right side
5,490,504.86x = 13,607,961,775,069.51 - Step 5: Solve for x
x = 13,607,961,775,069.51/5,490,504.86 - Step 6: Final answer
x = 2,478,453.65
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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.