Finding the Fourth Proportional to 5,468,005.20, 8,202,007.80 and 2,279,359.20
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Solution
The fourth proportional to 5,468,005.20, 8,202,007.80 and 2,279,359.20 is: 3,419,038.80
Step by Step Solution
- Step 1: Write the proportion equation
5,468,005.20 : 8,202,007.80 = 2,279,359.20 : x - Step 2: Convert to fraction form
5,468,005.20/8,202,007.80 = 2,279,359.20/x - Step 3: Cross multiply
5,468,005.20x = 8,202,007.80 × 2,279,359.20 - Step 4: Simplify right side
5,468,005.20x = 18,695,321,937,401.76 - Step 5: Solve for x
x = 18,695,321,937,401.76/5,468,005.20 - Step 6: Final answer
x = 3,419,038.80
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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.