Finding the Fourth Proportional to 3,765,172.20, 5,646,544.86 and 1,240,226.28
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Solution
The fourth proportional to 3,765,172.20, 5,646,544.86 and 1,240,226.28 is: 1,859,939.72
Step by Step Solution
- Step 1: Write the proportion equation
3,765,172.20 : 5,646,544.86 = 1,240,226.28 : x - Step 2: Convert to fraction form
3,765,172.20/5,646,544.86 = 1,240,226.28/x - Step 3: Cross multiply
3,765,172.20x = 5,646,544.86 × 1,240,226.28 - Step 4: Simplify right side
3,765,172.20x = 7,002,993,326,570.92 - Step 5: Solve for x
x = 7,002,993,326,570.92/3,765,172.20 - Step 6: Final answer
x = 1,859,939.72
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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.