Finding the Fourth Proportional to 8,717,491.75, 12,030,249.29 and 4,797,699.19
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Solution
The fourth proportional to 8,717,491.75, 12,030,249.29 and 4,797,699.19 is: 6,620,885.79
Step by Step Solution
- Step 1: Write the proportion equation
8,717,491.75 : 12,030,249.29 = 4,797,699.19 : x - Step 2: Convert to fraction form
8,717,491.75/12,030,249.29 = 4,797,699.19/x - Step 3: Cross multiply
8,717,491.75x = 12,030,249.29 × 4,797,699.19 - Step 4: Simplify right side
8,717,491.75x = 57,717,517,274,131.08 - Step 5: Solve for x
x = 57,717,517,274,131.08/8,717,491.75 - Step 6: Final answer
x = 6,620,885.79
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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.