Finding the Fourth Proportional to 3,211,035.12, 4,813,181.04 and 1,080,379.53
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Solution
The fourth proportional to 3,211,035.12, 4,813,181.04 and 1,080,379.53 is: 1,619,434.88
Step by Step Solution
- Step 1: Write the proportion equation
3,211,035.12 : 4,813,181.04 = 1,080,379.53 : x - Step 2: Convert to fraction form
3,211,035.12/4,813,181.04 = 1,080,379.53/x - Step 3: Cross multiply
3,211,035.12x = 4,813,181.04 × 1,080,379.53 - Step 4: Simplify right side
3,211,035.12x = 5,200,062,269,800.11 - Step 5: Solve for x
x = 5,200,062,269,800.11/3,211,035.12 - Step 6: Final answer
x = 1,619,434.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.