Finding the Fourth Proportional to 4,660,492.12, 6,431,678.67 and 2,595,507.68
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Solution
The fourth proportional to 4,660,492.12, 6,431,678.67 and 2,595,507.68 is: 3,581,911.73
Step by Step Solution
- Step 1: Write the proportion equation
4,660,492.12 : 6,431,678.67 = 2,595,507.68 : x - Step 2: Convert to fraction form
4,660,492.12/6,431,678.67 = 2,595,507.68/x - Step 3: Cross multiply
4,660,492.12x = 6,431,678.67 × 2,595,507.68 - Step 4: Simplify right side
4,660,492.12x = 16,693,471,394,489.81 - Step 5: Solve for x
x = 16,693,471,394,489.81/4,660,492.12 - Step 6: Final answer
x = 3,581,911.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.