Finding the Fourth Proportional to 4,189,449.34, 6,275,455.08 and 2,665,583.74
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Solution
The fourth proportional to 4,189,449.34, 6,275,455.08 and 2,665,583.74 is: 3,992,828.09
Step by Step Solution
- Step 1: Write the proportion equation
4,189,449.34 : 6,275,455.08 = 2,665,583.74 : x - Step 2: Convert to fraction form
4,189,449.34/6,275,455.08 = 2,665,583.74/x - Step 3: Cross multiply
4,189,449.34x = 6,275,455.08 × 2,665,583.74 - Step 4: Simplify right side
4,189,449.34x = 16,727,751,022,348.40 - Step 5: Solve for x
x = 16,727,751,022,348.40/4,189,449.34 - Step 6: Final answer
x = 3,992,828.09
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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.