Finding the Fourth Proportional to 4,173,818.82, 6,251,729.93 and 2,818,528.84
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Solution
The fourth proportional to 4,173,818.82, 6,251,729.93 and 2,818,528.84 is: 4,221,716.82
Step by Step Solution
- Step 1: Write the proportion equation
4,173,818.82 : 6,251,729.93 = 2,818,528.84 : x - Step 2: Convert to fraction form
4,173,818.82/6,251,729.93 = 2,818,528.84/x - Step 3: Cross multiply
4,173,818.82x = 6,251,729.93 × 2,818,528.84 - Step 4: Simplify right side
4,173,818.82x = 17,620,681,107,596.18 - Step 5: Solve for x
x = 17,620,681,107,596.18/4,173,818.82 - Step 6: Final answer
x = 4,221,716.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.