Finding the Fourth Proportional to 2,831,716.16, 3,908,168.16 and 1,608,326.72
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Solution
The fourth proportional to 2,831,716.16, 3,908,168.16 and 1,608,326.72 is: 2,219,717.98
Step by Step Solution
- Step 1: Write the proportion equation
2,831,716.16 : 3,908,168.16 = 1,608,326.72 : x - Step 2: Convert to fraction form
2,831,716.16/3,908,168.16 = 1,608,326.72/x - Step 3: Cross multiply
2,831,716.16x = 3,908,168.16 × 1,608,326.72 - Step 4: Simplify right side
2,831,716.16x = 6,285,611,277,981.24 - Step 5: Solve for x
x = 6,285,611,277,981.24/2,831,716.16 - Step 6: Final answer
x = 2,219,717.98
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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.