Finding the Fourth Proportional to 5,252,817.50, 7,879,226.38 and 1,263,729.50
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Solution
The fourth proportional to 5,252,817.50, 7,879,226.38 and 1,263,729.50 is: 1,895,594.28
Step by Step Solution
- Step 1: Write the proportion equation
5,252,817.50 : 7,879,226.38 = 1,263,729.50 : x - Step 2: Convert to fraction form
5,252,817.50/7,879,226.38 = 1,263,729.50/x - Step 3: Cross multiply
5,252,817.50x = 7,879,226.38 × 1,263,729.50 - Step 4: Simplify right side
5,252,817.50x = 9,957,210,813,584.21 - Step 5: Solve for x
x = 9,957,210,813,584.21/5,252,817.50 - Step 6: Final answer
x = 1,895,594.28
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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.