Finding the Fourth Proportional to 6,404,831.67, 8,837,794.80 and 3,825,965.01
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Solution
The fourth proportional to 6,404,831.67, 8,837,794.80 and 3,825,965.01 is: 5,279,310.28
Step by Step Solution
- Step 1: Write the proportion equation
6,404,831.67 : 8,837,794.80 = 3,825,965.01 : x - Step 2: Convert to fraction form
6,404,831.67/8,837,794.80 = 3,825,965.01/x - Step 3: Cross multiply
6,404,831.67x = 8,837,794.80 × 3,825,965.01 - Step 4: Simplify right side
6,404,831.67x = 33,813,093,670,359.95 - Step 5: Solve for x
x = 33,813,093,670,359.95/6,404,831.67 - Step 6: Final answer
x = 5,279,310.28
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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.