Finding the Fourth Proportional to 1,211,016.46, 1,815,894.09 and 452,233.99
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Solution
The fourth proportional to 1,211,016.46, 1,815,894.09 and 452,233.99 is: 678,115.50
Step by Step Solution
- Step 1: Write the proportion equation
1,211,016.46 : 1,815,894.09 = 452,233.99 : x - Step 2: Convert to fraction form
1,211,016.46/1,815,894.09 = 452,233.99/x - Step 3: Cross multiply
1,211,016.46x = 1,815,894.09 × 452,233.99 - Step 4: Simplify right side
1,211,016.46x = 821,209,029,738.12 - Step 5: Solve for x
x = 821,209,029,738.12/1,211,016.46 - Step 6: Final answer
x = 678,115.50
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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.