Finding the Fourth Proportional to 3,110,311.12, 4,292,778.78 and 2,470,613.68
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Solution
The fourth proportional to 3,110,311.12, 4,292,778.78 and 2,470,613.68 is: 3,409,883.31
Step by Step Solution
- Step 1: Write the proportion equation
3,110,311.12 : 4,292,778.78 = 2,470,613.68 : x - Step 2: Convert to fraction form
3,110,311.12/4,292,778.78 = 2,470,613.68/x - Step 3: Cross multiply
3,110,311.12x = 4,292,778.78 × 2,470,613.68 - Step 4: Simplify right side
3,110,311.12x = 10,605,797,979,081.71 - Step 5: Solve for x
x = 10,605,797,979,081.71/3,110,311.12 - Step 6: Final answer
x = 3,409,883.31
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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.