Finding the Fourth Proportional to 3,590,311.74, 5,381,687.07 and 1,193,513.10
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Solution
The fourth proportional to 3,590,311.74, 5,381,687.07 and 1,193,513.10 is: 1,789,012.90
Step by Step Solution
- Step 1: Write the proportion equation
3,590,311.74 : 5,381,687.07 = 1,193,513.10 : x - Step 2: Convert to fraction form
3,590,311.74/5,381,687.07 = 1,193,513.10/x - Step 3: Cross multiply
3,590,311.74x = 5,381,687.07 × 1,193,513.10 - Step 4: Simplify right side
3,590,311.74x = 6,423,114,018,145.62 - Step 5: Solve for x
x = 6,423,114,018,145.62/3,590,311.74 - Step 6: Final answer
x = 1,789,012.90
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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.