Finding the Fourth Proportional to 6,478,450.56, 8,940,329.10 and 3,577,915.08
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Solution
The fourth proportional to 6,478,450.56, 8,940,329.10 and 3,577,915.08 is: 4,937,559.99
Step by Step Solution
- Step 1: Write the proportion equation
6,478,450.56 : 8,940,329.10 = 3,577,915.08 : x - Step 2: Convert to fraction form
6,478,450.56/8,940,329.10 = 3,577,915.08/x - Step 3: Cross multiply
6,478,450.56x = 8,940,329.10 × 3,577,915.08 - Step 4: Simplify right side
6,478,450.56x = 31,987,738,307,052.83 - Step 5: Solve for x
x = 31,987,738,307,052.83/6,478,450.56 - Step 6: Final answer
x = 4,937,559.99
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1.5x scale
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.