Finding the Fourth Proportional to 1,613,585.70, 2,226,729.96 and 888,418.62
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Solution
The fourth proportional to 1,613,585.70, 2,226,729.96 and 888,418.62 is: 1,226,007.62
Step by Step Solution
- Step 1: Write the proportion equation
1,613,585.70 : 2,226,729.96 = 888,418.62 : x - Step 2: Convert to fraction form
1,613,585.70/2,226,729.96 = 888,418.62/x - Step 3: Cross multiply
1,613,585.70x = 2,226,729.96 × 888,418.62 - Step 4: Simplify right side
1,613,585.70x = 1,978,268,358,175.86 - Step 5: Solve for x
x = 1,978,268,358,175.86/1,613,585.70 - Step 6: Final answer
x = 1,226,007.62
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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.