Finding the Fourth Proportional to 3,746,651.15, 5,170,378.46 and 2,027,771.66
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Solution
The fourth proportional to 3,746,651.15, 5,170,378.46 and 2,027,771.66 is: 2,798,324.82
Step by Step Solution
- Step 1: Write the proportion equation
3,746,651.15 : 5,170,378.46 = 2,027,771.66 : x - Step 2: Convert to fraction form
3,746,651.15/5,170,378.46 = 2,027,771.66/x - Step 3: Cross multiply
3,746,651.15x = 5,170,378.46 × 2,027,771.66 - Step 4: Simplify right side
3,746,651.15x = 10,484,346,915,449.53 - Step 5: Solve for x
x = 10,484,346,915,449.53/3,746,651.15 - Step 6: Final answer
x = 2,798,324.82
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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.