Finding the Fourth Proportional to 4,873,361.16, 6,725,942.12 and 2,807,981.12
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Solution
The fourth proportional to 4,873,361.16, 6,725,942.12 and 2,807,981.12 is: 3,875,419.42
Step by Step Solution
- Step 1: Write the proportion equation
4,873,361.16 : 6,725,942.12 = 2,807,981.12 : x - Step 2: Convert to fraction form
4,873,361.16/6,725,942.12 = 2,807,981.12/x - Step 3: Cross multiply
4,873,361.16x = 6,725,942.12 × 2,807,981.12 - Step 4: Simplify right side
4,873,361.16x = 18,886,318,487,172.78 - Step 5: Solve for x
x = 18,886,318,487,172.78/4,873,361.16 - Step 6: Final answer
x = 3,875,419.42
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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.