Finding the Fourth Proportional to 5,517,572.21, 8,276,262.62 and 2,482,790.77
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Solution
The fourth proportional to 5,517,572.21, 8,276,262.62 and 2,482,790.77 is: 3,724,143.09
Step by Step Solution
- Step 1: Write the proportion equation
5,517,572.21 : 8,276,262.62 = 2,482,790.77 : x - Step 2: Convert to fraction form
5,517,572.21/8,276,262.62 = 2,482,790.77/x - Step 3: Cross multiply
5,517,572.21x = 8,276,262.62 × 2,482,790.77 - Step 4: Simplify right side
5,517,572.21x = 20,548,228,401,650.71 - Step 5: Solve for x
x = 20,548,228,401,650.71/5,517,572.21 - Step 6: Final answer
x = 3,724,143.09
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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.