Finding the Fourth Proportional to 4,278,109.84, 6,412,846.80 and 2,681,793.94
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Solution
The fourth proportional to 4,278,109.84, 6,412,846.80 and 2,681,793.94 is: 4,019,984.14
Step by Step Solution
- Step 1: Write the proportion equation
4,278,109.84 : 6,412,846.80 = 2,681,793.94 : x - Step 2: Convert to fraction form
4,278,109.84/6,412,846.80 = 2,681,793.94/x - Step 3: Cross multiply
4,278,109.84x = 6,412,846.80 × 2,681,793.94 - Step 4: Simplify right side
4,278,109.84x = 17,197,933,686,388.39 - Step 5: Solve for x
x = 17,197,933,686,388.39/4,278,109.84 - Step 6: Final answer
x = 4,019,984.14
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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.