Finding the Fourth Proportional to 4,220,954.88, 6,330,736.80 and 1,188,530.88
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Solution
The fourth proportional to 4,220,954.88, 6,330,736.80 and 1,188,530.88 is: 1,782,600.48
Step by Step Solution
- Step 1: Write the proportion equation
4,220,954.88 : 6,330,736.80 = 1,188,530.88 : x - Step 2: Convert to fraction form
4,220,954.88/6,330,736.80 = 1,188,530.88/x - Step 3: Cross multiply
4,220,954.88x = 6,330,736.80 × 1,188,530.88 - Step 4: Simplify right side
4,220,954.88x = 7,524,276,179,952.38 - Step 5: Solve for x
x = 7,524,276,179,952.38/4,220,954.88 - Step 6: Final answer
x = 1,782,600.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.