Finding the Fourth Proportional to 3,996,610.30, 5,514,988.79 and 2,254,183.66
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Solution
The fourth proportional to 3,996,610.30, 5,514,988.79 and 2,254,183.66 is: 3,110,585.39
Step by Step Solution
- Step 1: Write the proportion equation
3,996,610.30 : 5,514,988.79 = 2,254,183.66 : x - Step 2: Convert to fraction form
3,996,610.30/5,514,988.79 = 2,254,183.66/x - Step 3: Cross multiply
3,996,610.30x = 5,514,988.79 × 2,254,183.66 - Step 4: Simplify right side
3,996,610.30x = 12,431,797,615,501.17 - Step 5: Solve for x
x = 12,431,797,615,501.17/3,996,610.30 - Step 6: Final answer
x = 3,110,585.39
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1.5x scale
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.