Finding the Fourth Proportional to 5,283,674.19, 7,923,443.34 and 1,870,641.99
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Solution
The fourth proportional to 5,283,674.19, 7,923,443.34 and 1,870,641.99 is: 2,805,230.85
Step by Step Solution
- Step 1: Write the proportion equation
5,283,674.19 : 7,923,443.34 = 1,870,641.99 : x - Step 2: Convert to fraction form
5,283,674.19/7,923,443.34 = 1,870,641.99/x - Step 3: Cross multiply
5,283,674.19x = 7,923,443.34 × 1,870,641.99 - Step 4: Simplify right side
5,283,674.19x = 14,821,925,817,189.85 - Step 5: Solve for x
x = 14,821,925,817,189.85/5,283,674.19 - Step 6: Final answer
x = 2,805,230.85
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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.