Finding the Fourth Proportional to 3,517,080.87, 5,272,865.19 and 1,388,758.08
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Solution
The fourth proportional to 3,517,080.87, 5,272,865.19 and 1,388,758.08 is: 2,082,048.84
Step by Step Solution
- Step 1: Write the proportion equation
3,517,080.87 : 5,272,865.19 = 1,388,758.08 : x - Step 2: Convert to fraction form
3,517,080.87/5,272,865.19 = 1,388,758.08/x - Step 3: Cross multiply
3,517,080.87x = 5,272,865.19 × 1,388,758.08 - Step 4: Simplify right side
3,517,080.87x = 7,322,734,137,363.24 - Step 5: Solve for x
x = 7,322,734,137,363.24/3,517,080.87 - Step 6: Final answer
x = 2,082,048.84
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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.