Finding the Fourth Proportional to 3,531,393.09, 4,872,944.98 and 1,982,824.97
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Solution
The fourth proportional to 3,531,393.09, 4,872,944.98 and 1,982,824.97 is: 2,736,086.51
Step by Step Solution
- Step 1: Write the proportion equation
3,531,393.09 : 4,872,944.98 = 1,982,824.97 : x - Step 2: Convert to fraction form
3,531,393.09/4,872,944.98 = 1,982,824.97/x - Step 3: Cross multiply
3,531,393.09x = 4,872,944.98 × 1,982,824.97 - Step 4: Simplify right side
3,531,393.09x = 9,662,196,973,866.03 - Step 5: Solve for x
x = 9,662,196,973,866.03/3,531,393.09 - Step 6: Final answer
x = 2,736,086.51
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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.