Finding the Fourth Proportional to 5,620,647.76, 8,418,202.26 and 4,398,608.50
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Solution
The fourth proportional to 5,620,647.76, 8,418,202.26 and 4,398,608.50 is: 6,587,919.68
Step by Step Solution
- Step 1: Write the proportion equation
5,620,647.76 : 8,418,202.26 = 4,398,608.50 : x - Step 2: Convert to fraction form
5,620,647.76/8,418,202.26 = 4,398,608.50/x - Step 3: Cross multiply
5,620,647.76x = 8,418,202.26 × 4,398,608.50 - Step 4: Simplify right side
5,620,647.76x = 37,028,376,015,555.21 - Step 5: Solve for x
x = 37,028,376,015,555.21/5,620,647.76 - Step 6: Final answer
x = 6,587,919.68
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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.