Finding the Fourth Proportional to 3,930,851.36, 5,887,719.04 and 2,409,934.88
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Solution
The fourth proportional to 3,930,851.36, 5,887,719.04 and 2,409,934.88 is: 3,609,655.56
Step by Step Solution
- Step 1: Write the proportion equation
3,930,851.36 : 5,887,719.04 = 2,409,934.88 : x - Step 2: Convert to fraction form
3,930,851.36/5,887,719.04 = 2,409,934.88/x - Step 3: Cross multiply
3,930,851.36x = 5,887,719.04 × 2,409,934.88 - Step 4: Simplify right side
3,930,851.36x = 14,189,019,478,136.12 - Step 5: Solve for x
x = 14,189,019,478,136.12/3,930,851.36 - Step 6: Final answer
x = 3,609,655.56
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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.