Finding the Fourth Proportional to 2,618,716.64, 3,613,287.12 and 1,530,777.84
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Solution
The fourth proportional to 2,618,716.64, 3,613,287.12 and 1,530,777.84 is: 2,112,156.68
Step by Step Solution
- Step 1: Write the proportion equation
2,618,716.64 : 3,613,287.12 = 1,530,777.84 : x - Step 2: Convert to fraction form
2,618,716.64/3,613,287.12 = 1,530,777.84/x - Step 3: Cross multiply
2,618,716.64x = 3,613,287.12 × 1,530,777.84 - Step 4: Simplify right side
2,618,716.64x = 5,531,139,852,853.42 - Step 5: Solve for x
x = 5,531,139,852,853.42/2,618,716.64 - Step 6: Final answer
x = 2,112,156.68
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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.