Finding the Fourth Proportional to 5,649,129.70, 8,473,694.55 and 1,861,699.30
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Solution
The fourth proportional to 5,649,129.70, 8,473,694.55 and 1,861,699.30 is: 2,792,548.95
Step by Step Solution
- Step 1: Write the proportion equation
5,649,129.70 : 8,473,694.55 = 1,861,699.30 : x - Step 2: Convert to fraction form
5,649,129.70/8,473,694.55 = 1,861,699.30/x - Step 3: Cross multiply
5,649,129.70x = 8,473,694.55 × 1,861,699.30 - Step 4: Simplify right side
5,649,129.70x = 15,775,471,212,148.82 - Step 5: Solve for x
x = 15,775,471,212,148.82/5,649,129.70 - Step 6: Final answer
x = 2,792,548.95
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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.