Finding the Fourth Proportional to 5,365,921.70, 8,049,271.35 and 3,231,409.70
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Solution
The fourth proportional to 5,365,921.70, 8,049,271.35 and 3,231,409.70 is: 4,847,348.69
Step by Step Solution
- Step 1: Write the proportion equation
5,365,921.70 : 8,049,271.35 = 3,231,409.70 : x - Step 2: Convert to fraction form
5,365,921.70/8,049,271.35 = 3,231,409.70/x - Step 3: Cross multiply
5,365,921.70x = 8,049,271.35 × 3,231,409.70 - Step 4: Simplify right side
5,365,921.70x = 26,010,493,518,322.09 - Step 5: Solve for x
x = 26,010,493,518,322.09/5,365,921.70 - Step 6: Final answer
x = 4,847,348.69
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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.