Finding the Fourth Proportional to 1,613,784.09, 2,227,022.04 and 888,630.08
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Solution
The fourth proportional to 1,613,784.09, 2,227,022.04 and 888,630.08 is: 1,226,309.50
Step by Step Solution
- Step 1: Write the proportion equation
1,613,784.09 : 2,227,022.04 = 888,630.08 : x - Step 2: Convert to fraction form
1,613,784.09/2,227,022.04 = 888,630.08/x - Step 3: Cross multiply
1,613,784.09x = 2,227,022.04 × 888,630.08 - Step 4: Simplify right side
1,613,784.09x = 1,978,998,762,431.85 - Step 5: Solve for x
x = 1,978,998,762,431.85/1,613,784.09 - Step 6: Final answer
x = 1,226,309.50
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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.