Finding the Fourth Proportional to 5,920,766.15, 8,170,854.98 and 3,628,483.97
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Solution
The fourth proportional to 5,920,766.15, 8,170,854.98 and 3,628,483.97 is: 5,007,429.03
Step by Step Solution
- Step 1: Write the proportion equation
5,920,766.15 : 8,170,854.98 = 3,628,483.97 : x - Step 2: Convert to fraction form
5,920,766.15/8,170,854.98 = 3,628,483.97/x - Step 3: Cross multiply
5,920,766.15x = 8,170,854.98 × 3,628,483.97 - Step 4: Simplify right side
5,920,766.15x = 29,647,816,257,127.97 - Step 5: Solve for x
x = 29,647,816,257,127.97/5,920,766.15 - Step 6: Final answer
x = 5,007,429.03
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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.