Finding the Fourth Proportional to 6,491,198.95, 8,910,946.52 and 5,571,831.99
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Solution
The fourth proportional to 6,491,198.95, 8,910,946.52 and 5,571,831.99 is: 7,648,863.83
Step by Step Solution
- Step 1: Write the proportion equation
6,491,198.95 : 8,910,946.52 = 5,571,831.99 : x - Step 2: Convert to fraction form
6,491,198.95/8,910,946.52 = 5,571,831.99/x - Step 3: Cross multiply
6,491,198.95x = 8,910,946.52 × 5,571,831.99 - Step 4: Simplify right side
6,491,198.95x = 49,650,296,889,662.96 - Step 5: Solve for x
x = 49,650,296,889,662.96/6,491,198.95 - Step 6: Final answer
x = 7,648,863.83
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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.