Finding the Fourth Proportional to 5,451,625.40, 8,177,826.90 and 1,665,102.20
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Solution
The fourth proportional to 5,451,625.40, 8,177,826.90 and 1,665,102.20 is: 2,497,772.05
Step by Step Solution
- Step 1: Write the proportion equation
5,451,625.40 : 8,177,826.90 = 1,665,102.20 : x - Step 2: Convert to fraction form
5,451,625.40/8,177,826.90 = 1,665,102.20/x - Step 3: Cross multiply
5,451,625.40x = 8,177,826.90 × 1,665,102.20 - Step 4: Simplify right side
5,451,625.40x = 13,616,917,562,409.18 - Step 5: Solve for x
x = 13,616,917,562,409.18/5,451,625.40 - Step 6: Final answer
x = 2,497,772.05
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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.