Finding the Fourth Proportional to 3,828,770.37, 5,283,738.68 and 2,109,952.53
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Solution
The fourth proportional to 3,828,770.37, 5,283,738.68 and 2,109,952.53 is: 2,911,754.09
Step by Step Solution
- Step 1: Write the proportion equation
3,828,770.37 : 5,283,738.68 = 2,109,952.53 : x - Step 2: Convert to fraction form
3,828,770.37/5,283,738.68 = 2,109,952.53/x - Step 3: Cross multiply
3,828,770.37x = 5,283,738.68 × 2,109,952.53 - Step 4: Simplify right side
3,828,770.37x = 11,148,437,785,175.10 - Step 5: Solve for x
x = 11,148,437,785,175.10/3,828,770.37 - Step 6: Final answer
x = 2,911,754.09
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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.