Finding the Fourth Proportional to 1,613,633.44, 2,226,795.36 and 888,465.76
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Solution
The fourth proportional to 1,613,633.44, 2,226,795.36 and 888,465.76 is: 1,226,072.40
Step by Step Solution
- Step 1: Write the proportion equation
1,613,633.44 : 2,226,795.36 = 888,465.76 : x - Step 2: Convert to fraction form
1,613,633.44/2,226,795.36 = 888,465.76/x - Step 3: Cross multiply
1,613,633.44x = 2,226,795.36 × 888,465.76 - Step 4: Simplify right side
1,613,633.44x = 1,978,431,431,886.87 - Step 5: Solve for x
x = 1,978,431,431,886.87/1,613,633.44 - Step 6: Final answer
x = 1,226,072.40
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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.