Finding the Fourth Proportional to 5,036,915.48, 6,950,966.80 and 2,861,578.00
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Solution
The fourth proportional to 5,036,915.48, 6,950,966.80 and 2,861,578.00 is: 3,948,990.95
Step by Step Solution
- Step 1: Write the proportion equation
5,036,915.48 : 6,950,966.80 = 2,861,578.00 : x - Step 2: Convert to fraction form
5,036,915.48/6,950,966.80 = 2,861,578.00/x - Step 3: Cross multiply
5,036,915.48x = 6,950,966.80 × 2,861,578.00 - Step 4: Simplify right side
5,036,915.48x = 19,890,733,649,079.04 - Step 5: Solve for x
x = 19,890,733,649,079.04/5,036,915.48 - Step 6: Final answer
x = 3,948,990.95
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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.