Finding the Fourth Proportional to 3,449,608.70, 4,725,980.84 and 3,320,318.12
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Solution
The fourth proportional to 3,449,608.70, 4,725,980.84 and 3,320,318.12 is: 4,548,852.11
Step by Step Solution
- Step 1: Write the proportion equation
3,449,608.70 : 4,725,980.84 = 3,320,318.12 : x - Step 2: Convert to fraction form
3,449,608.70/4,725,980.84 = 3,320,318.12/x - Step 3: Cross multiply
3,449,608.70x = 4,725,980.84 × 3,320,318.12 - Step 4: Simplify right side
3,449,608.70x = 15,691,759,802,495.71 - Step 5: Solve for x
x = 15,691,759,802,495.71/3,449,608.70 - Step 6: Final answer
x = 4,548,852.11
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.