Finding the Fourth Proportional to 4,658,310.62, 6,987,558.72 and 1,246,591.53
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Solution
The fourth proportional to 4,658,310.62, 6,987,558.72 and 1,246,591.53 is: 1,869,912.13
Step by Step Solution
- Step 1: Write the proportion equation
4,658,310.62 : 6,987,558.72 = 1,246,591.53 : x - Step 2: Convert to fraction form
4,658,310.62/6,987,558.72 = 1,246,591.53/x - Step 3: Cross multiply
4,658,310.62x = 6,987,558.72 × 1,246,591.53 - Step 4: Simplify right side
4,658,310.62x = 8,710,631,515,729.64 - Step 5: Solve for x
x = 8,710,631,515,729.64/4,658,310.62 - Step 6: Final answer
x = 1,869,912.13
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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.