Finding the Fourth Proportional to 2,379,813.68, 3,561,826.67 and 2,167,073.26
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Solution
The fourth proportional to 2,379,813.68, 3,561,826.67 and 2,167,073.26 is: 3,243,421.69
Step by Step Solution
- Step 1: Write the proportion equation
2,379,813.68 : 3,561,826.67 = 2,167,073.26 : x - Step 2: Convert to fraction form
2,379,813.68/3,561,826.67 = 2,167,073.26/x - Step 3: Cross multiply
2,379,813.68x = 3,561,826.67 × 2,167,073.26 - Step 4: Simplify right side
2,379,813.68x = 7,718,739,321,698.44 - Step 5: Solve for x
x = 7,718,739,321,698.44/2,379,813.68 - Step 6: Final answer
x = 3,243,421.69
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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.