Finding the Fourth Proportional to 3,201,949.32, 4,418,724.94 and 1,751,613.62
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Solution
The fourth proportional to 3,201,949.32, 4,418,724.94 and 1,751,613.62 is: 2,417,245.87
Step by Step Solution
- Step 1: Write the proportion equation
3,201,949.32 : 4,418,724.94 = 1,751,613.62 : x - Step 2: Convert to fraction form
3,201,949.32/4,418,724.94 = 1,751,613.62/x - Step 3: Cross multiply
3,201,949.32x = 4,418,724.94 × 1,751,613.62 - Step 4: Simplify right side
3,201,949.32x = 7,739,898,761,465.03 - Step 5: Solve for x
x = 7,739,898,761,465.03/3,201,949.32 - Step 6: Final answer
x = 2,417,245.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.