Finding the Fourth Proportional to 3,351,078.84, 5,026,673.64 and 1,620,943.14
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Solution
The fourth proportional to 3,351,078.84, 5,026,673.64 and 1,620,943.14 is: 2,431,441.50
Step by Step Solution
- Step 1: Write the proportion equation
3,351,078.84 : 5,026,673.64 = 1,620,943.14 : x - Step 2: Convert to fraction form
3,351,078.84/5,026,673.64 = 1,620,943.14/x - Step 3: Cross multiply
3,351,078.84x = 5,026,673.64 × 1,620,943.14 - Step 4: Simplify right side
3,351,078.84x = 8,147,952,153,776.83 - Step 5: Solve for x
x = 8,147,952,153,776.83/3,351,078.84 - Step 6: Final answer
x = 2,431,441.50
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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.