Finding the Fourth Proportional to 3,479,207.12, 5,216,713.68 and 1,559,771.06
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Solution
The fourth proportional to 3,479,207.12, 5,216,713.68 and 1,559,771.06 is: 2,338,716.48
Step by Step Solution
- Step 1: Write the proportion equation
3,479,207.12 : 5,216,713.68 = 1,559,771.06 : x - Step 2: Convert to fraction form
3,479,207.12/5,216,713.68 = 1,559,771.06/x - Step 3: Cross multiply
3,479,207.12x = 5,216,713.68 × 1,559,771.06 - Step 4: Simplify right side
3,479,207.12x = 8,136,879,026,370.10 - Step 5: Solve for x
x = 8,136,879,026,370.10/3,479,207.12 - Step 6: Final answer
x = 2,338,716.48
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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.