Finding the Fourth Proportional to 4,485,472.20, 6,729,238.62 and 1,290,624.84
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Solution
The fourth proportional to 4,485,472.20, 6,729,238.62 and 1,290,624.84 is: 1,936,233.72
Step by Step Solution
- Step 1: Write the proportion equation
4,485,472.20 : 6,729,238.62 = 1,290,624.84 : x - Step 2: Convert to fraction form
4,485,472.20/6,729,238.62 = 1,290,624.84/x - Step 3: Cross multiply
4,485,472.20x = 6,729,238.62 × 1,290,624.84 - Step 4: Simplify right side
4,485,472.20x = 8,684,922,517,259.32 - Step 5: Solve for x
x = 8,684,922,517,259.32/4,485,472.20 - Step 6: Final answer
x = 1,936,233.72
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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.