Finding the Fourth Proportional to 4,278,060.64, 6,412,770.40 and 2,681,742.64
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Solution
The fourth proportional to 4,278,060.64, 6,412,770.40 and 2,681,742.64 is: 4,019,905.58
Step by Step Solution
- Step 1: Write the proportion equation
4,278,060.64 : 6,412,770.40 = 2,681,742.64 : x - Step 2: Convert to fraction form
4,278,060.64/6,412,770.40 = 2,681,742.64/x - Step 3: Cross multiply
4,278,060.64x = 6,412,770.40 × 2,681,742.64 - Step 4: Simplify right side
4,278,060.64x = 17,197,399,822,209.86 - Step 5: Solve for x
x = 17,197,399,822,209.86/4,278,060.64 - Step 6: Final answer
x = 4,019,905.58
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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.