Finding the Fourth Proportional to 4,278,113.59, 6,412,852.43 and 2,681,797.70
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Solution
The fourth proportional to 4,278,113.59, 6,412,852.43 and 2,681,797.70 is: 4,019,989.78
Step by Step Solution
- Step 1: Write the proportion equation
4,278,113.59 : 6,412,852.43 = 2,681,797.70 : x - Step 2: Convert to fraction form
4,278,113.59/6,412,852.43 = 2,681,797.70/x - Step 3: Cross multiply
4,278,113.59x = 6,412,852.43 × 2,681,797.70 - Step 4: Simplify right side
4,278,113.59x = 17,197,972,897,213.41 - Step 5: Solve for x
x = 17,197,972,897,213.41/4,278,113.59 - Step 6: Final answer
x = 4,019,989.78
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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.