Finding the Fourth Proportional to 2,378,261.49, 3,280,628.30 and 1,517,851.95
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Solution
The fourth proportional to 2,378,261.49, 3,280,628.30 and 1,517,851.95 is: 2,093,759.70
Step by Step Solution
- Step 1: Write the proportion equation
2,378,261.49 : 3,280,628.30 = 1,517,851.95 : x - Step 2: Convert to fraction form
2,378,261.49/3,280,628.30 = 1,517,851.95/x - Step 3: Cross multiply
2,378,261.49x = 3,280,628.30 × 1,517,851.95 - Step 4: Simplify right side
2,378,261.49x = 4,979,508,054,790.93 - Step 5: Solve for x
x = 4,979,508,054,790.93/2,378,261.49 - Step 6: Final answer
x = 2,093,759.70
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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.