Finding the Fourth Proportional to 3,545,817.12, 5,320,689.12 and 2,198,702.88
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Solution
The fourth proportional to 3,545,817.12, 5,320,689.12 and 2,198,702.88 is: 3,299,271.82
Step by Step Solution
- Step 1: Write the proportion equation
3,545,817.12 : 5,320,689.12 = 2,198,702.88 : x - Step 2: Convert to fraction form
3,545,817.12/5,320,689.12 = 2,198,702.88/x - Step 3: Cross multiply
3,545,817.12x = 5,320,689.12 × 2,198,702.88 - Step 4: Simplify right side
3,545,817.12x = 11,698,614,491,728.67 - Step 5: Solve for x
x = 11,698,614,491,728.67/3,545,817.12 - Step 6: Final answer
x = 3,299,271.82
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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.