Finding the Fourth Proportional to 5,330,829.50, 7,356,544.71 and 2,883,440.42
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Solution
The fourth proportional to 5,330,829.50, 7,356,544.71 and 2,883,440.42 is: 3,979,147.78
Step by Step Solution
- Step 1: Write the proportion equation
5,330,829.50 : 7,356,544.71 = 2,883,440.42 : x - Step 2: Convert to fraction form
5,330,829.50/7,356,544.71 = 2,883,440.42/x - Step 3: Cross multiply
5,330,829.50x = 7,356,544.71 × 2,883,440.42 - Step 4: Simplify right side
5,330,829.50x = 21,212,158,368,351.18 - Step 5: Solve for x
x = 21,212,158,368,351.18/5,330,829.50 - Step 6: Final answer
x = 3,979,147.78
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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.