Finding the Fourth Proportional to 3,214,907.52, 4,821,549.12 and 1,192,039.68
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Solution
The fourth proportional to 3,214,907.52, 4,821,549.12 and 1,192,039.68 is: 1,787,758.38
Step by Step Solution
- Step 1: Write the proportion equation
3,214,907.52 : 4,821,549.12 = 1,192,039.68 : x - Step 2: Convert to fraction form
3,214,907.52/4,821,549.12 = 1,192,039.68/x - Step 3: Cross multiply
3,214,907.52x = 4,821,549.12 × 1,192,039.68 - Step 4: Simplify right side
3,214,907.52x = 5,747,477,870,109.08 - Step 5: Solve for x
x = 5,747,477,870,109.08/3,214,907.52 - Step 6: Final answer
x = 1,787,758.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.