Finding the Fourth Proportional to 5,431,306.36, 8,134,549.62 and 2,593,406.20
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Solution
The fourth proportional to 5,431,306.36, 8,134,549.62 and 2,593,406.20 is: 3,884,183.66
Step by Step Solution
- Step 1: Write the proportion equation
5,431,306.36 : 8,134,549.62 = 2,593,406.20 : x - Step 2: Convert to fraction form
5,431,306.36/8,134,549.62 = 2,593,406.20/x - Step 3: Cross multiply
5,431,306.36x = 8,134,549.62 × 2,593,406.20 - Step 4: Simplify right side
5,431,306.36x = 21,096,191,418,715.64 - Step 5: Solve for x
x = 21,096,191,418,715.64/5,431,306.36 - Step 6: Final answer
x = 3,884,183.66
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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.