Finding the Fourth Proportional to 2,428,544.64, 3,351,396.24 and 1,340,818.32
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Solution
The fourth proportional to 2,428,544.64, 3,351,396.24 and 1,340,818.32 is: 1,850,331.84
Step by Step Solution
- Step 1: Write the proportion equation
2,428,544.64 : 3,351,396.24 = 1,340,818.32 : x - Step 2: Convert to fraction form
2,428,544.64/3,351,396.24 = 1,340,818.32/x - Step 3: Cross multiply
2,428,544.64x = 3,351,396.24 × 1,340,818.32 - Step 4: Simplify right side
2,428,544.64x = 4,493,613,476,171.12 - Step 5: Solve for x
x = 4,493,613,476,171.12/2,428,544.64 - Step 6: Final answer
x = 1,850,331.84
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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.