Finding the Fourth Proportional to 6,128,197.70, 8,450,640.70 and 4,062,494.66
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Solution
The fourth proportional to 6,128,197.70, 8,450,640.70 and 4,062,494.66 is: 5,602,084.72
Step by Step Solution
- Step 1: Write the proportion equation
6,128,197.70 : 8,450,640.70 = 4,062,494.66 : x - Step 2: Convert to fraction form
6,128,197.70/8,450,640.70 = 4,062,494.66/x - Step 3: Cross multiply
6,128,197.70x = 8,450,640.70 × 4,062,494.66 - Step 4: Simplify right side
6,128,197.70x = 34,330,682,664,919.22 - Step 5: Solve for x
x = 34,330,682,664,919.22/6,128,197.70 - Step 6: Final answer
x = 5,602,084.72
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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.