Finding the Fourth Proportional to 5,985,780.75, 8,260,378.36 and 3,269,526.75
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Solution
The fourth proportional to 5,985,780.75, 8,260,378.36 and 3,269,526.75 is: 4,511,947.42
Step by Step Solution
- Step 1: Write the proportion equation
5,985,780.75 : 8,260,378.36 = 3,269,526.75 : x - Step 2: Convert to fraction form
5,985,780.75/8,260,378.36 = 3,269,526.75/x - Step 3: Cross multiply
5,985,780.75x = 8,260,378.36 × 3,269,526.75 - Step 4: Simplify right side
5,985,780.75x = 27,007,528,004,967.31 - Step 5: Solve for x
x = 27,007,528,004,967.31/5,985,780.75 - Step 6: Final answer
x = 4,511,947.42
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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.