Finding the Fourth Proportional to 2,634,914.22, 3,949,320.84 and 1,211,983.98
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Solution
The fourth proportional to 2,634,914.22, 3,949,320.84 and 1,211,983.98 is: 1,816,572.83
Step by Step Solution
- Step 1: Write the proportion equation
2,634,914.22 : 3,949,320.84 = 1,211,983.98 : x - Step 2: Convert to fraction form
2,634,914.22/3,949,320.84 = 1,211,983.98/x - Step 3: Cross multiply
2,634,914.22x = 3,949,320.84 × 1,211,983.98 - Step 4: Simplify right side
2,634,914.22x = 4,786,513,589,960.14 - Step 5: Solve for x
x = 4,786,513,589,960.14/2,634,914.22 - Step 6: Final answer
x = 1,816,572.83
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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.