Finding the Fourth Proportional to 4,572,915.57, 6,310,168.79 and 2,639,798.96
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Solution
The fourth proportional to 4,572,915.57, 6,310,168.79 and 2,639,798.96 is: 3,642,660.07
Step by Step Solution
- Step 1: Write the proportion equation
4,572,915.57 : 6,310,168.79 = 2,639,798.96 : x - Step 2: Convert to fraction form
4,572,915.57/6,310,168.79 = 2,639,798.96/x - Step 3: Cross multiply
4,572,915.57x = 6,310,168.79 × 2,639,798.96 - Step 4: Simplify right side
4,572,915.57x = 16,657,576,964,516.62 - Step 5: Solve for x
x = 16,657,576,964,516.62/4,572,915.57 - Step 6: Final answer
x = 3,642,660.07
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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.