Finding the Fourth Proportional to 5,620,857.91, 8,432,091.14 and 1,730,644.21
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Solution
The fourth proportional to 5,620,857.91, 8,432,091.14 and 1,730,644.21 is: 2,596,213.95
Step by Step Solution
- Step 1: Write the proportion equation
5,620,857.91 : 8,432,091.14 = 1,730,644.21 : x - Step 2: Convert to fraction form
5,620,857.91/8,432,091.14 = 1,730,644.21/x - Step 3: Cross multiply
5,620,857.91x = 8,432,091.14 × 1,730,644.21 - Step 4: Simplify right side
5,620,857.91x = 14,592,949,690,549.20 - Step 5: Solve for x
x = 14,592,949,690,549.20/5,620,857.91 - Step 6: Final answer
x = 2,596,213.95
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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.