Finding the Fourth Proportional to 4,623,519.36, 6,381,738.96 and 2,690,153.36
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Solution
The fourth proportional to 4,623,519.36, 6,381,738.96 and 2,690,153.36 is: 3,713,157.70
Step by Step Solution
- Step 1: Write the proportion equation
4,623,519.36 : 6,381,738.96 = 2,690,153.36 : x - Step 2: Convert to fraction form
4,623,519.36/6,381,738.96 = 2,690,153.36/x - Step 3: Cross multiply
4,623,519.36x = 6,381,738.96 × 2,690,153.36 - Step 4: Simplify right side
4,623,519.36x = 17,167,856,505,886.90 - Step 5: Solve for x
x = 17,167,856,505,886.90/4,623,519.36 - Step 6: Final answer
x = 3,713,157.70
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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.