Finding the Fourth Proportional to 4,642,311.66, 6,406,850.46 and 2,605,129.26
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Solution
The fourth proportional to 4,642,311.66, 6,406,850.46 and 2,605,129.26 is: 3,595,336.72
Step by Step Solution
- Step 1: Write the proportion equation
4,642,311.66 : 6,406,850.46 = 2,605,129.26 : x - Step 2: Convert to fraction form
4,642,311.66/6,406,850.46 = 2,605,129.26/x - Step 3: Cross multiply
4,642,311.66x = 6,406,850.46 × 2,605,129.26 - Step 4: Simplify right side
4,642,311.66x = 16,690,673,597,790.46 - Step 5: Solve for x
x = 16,690,673,597,790.46/4,642,311.66 - Step 6: Final answer
x = 3,595,336.72
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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.