Finding the Fourth Proportional to 4,020,754.68, 5,548,684.32 and 2,185,213.14
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Solution
The fourth proportional to 4,020,754.68, 5,548,684.32 and 2,185,213.14 is: 3,015,617.43
Step by Step Solution
- Step 1: Write the proportion equation
4,020,754.68 : 5,548,684.32 = 2,185,213.14 : x - Step 2: Convert to fraction form
4,020,754.68/5,548,684.32 = 2,185,213.14/x - Step 3: Cross multiply
4,020,754.68x = 5,548,684.32 × 2,185,213.14 - Step 4: Simplify right side
4,020,754.68x = 12,125,057,885,775.97 - Step 5: Solve for x
x = 12,125,057,885,775.97/4,020,754.68 - Step 6: Final answer
x = 3,015,617.43
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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.