Finding the Fourth Proportional to 5,429,516.06, 8,131,871.36 and 2,591,625.98
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Solution
The fourth proportional to 5,429,516.06, 8,131,871.36 and 2,591,625.98 is: 3,881,518.88
Step by Step Solution
- Step 1: Write the proportion equation
5,429,516.06 : 8,131,871.36 = 2,591,625.98 : x - Step 2: Convert to fraction form
5,429,516.06/8,131,871.36 = 2,591,625.98/x - Step 3: Cross multiply
5,429,516.06x = 8,131,871.36 × 2,591,625.98 - Step 4: Simplify right side
5,429,516.06x = 21,074,769,082,593.93 - Step 5: Solve for x
x = 21,074,769,082,593.93/5,429,516.06 - Step 6: Final answer
x = 3,881,518.88
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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.