Finding the Fourth Proportional to 5,954,768.80, 8,932,153.20 and 5,405,613.10
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Solution
The fourth proportional to 5,954,768.80, 8,932,153.20 and 5,405,613.10 is: 8,108,419.65
Step by Step Solution
- Step 1: Write the proportion equation
5,954,768.80 : 8,932,153.20 = 5,405,613.10 : x - Step 2: Convert to fraction form
5,954,768.80/8,932,153.20 = 5,405,613.10/x - Step 3: Cross multiply
5,954,768.80x = 8,932,153.20 × 5,405,613.10 - Step 4: Simplify right side
5,954,768.80x = 48,283,764,349,126.91 - Step 5: Solve for x
x = 48,283,764,349,126.91/5,954,768.80 - Step 6: Final answer
x = 8,108,419.65
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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.