Finding the Fourth Proportional to 5,480,761.25, 8,204,762.36 and 3,315,232.73
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Solution
The fourth proportional to 5,480,761.25, 8,204,762.36 and 3,315,232.73 is: 4,962,941.37
Step by Step Solution
- Step 1: Write the proportion equation
5,480,761.25 : 8,204,762.36 = 3,315,232.73 : x - Step 2: Convert to fraction form
5,480,761.25/8,204,762.36 = 3,315,232.73/x - Step 3: Cross multiply
5,480,761.25x = 8,204,762.36 × 3,315,232.73 - Step 4: Simplify right side
5,480,761.25x = 27,200,696,746,544.03 - Step 5: Solve for x
x = 27,200,696,746,544.03/5,480,761.25 - Step 6: Final answer
x = 4,962,941.37
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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.