Finding the Fourth Proportional to 8,685,390.58, 13,028,179.42 and 2,620,174.87
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Solution
The fourth proportional to 8,685,390.58, 13,028,179.42 and 2,620,174.87 is: 3,930,290.53
Step by Step Solution
- Step 1: Write the proportion equation
8,685,390.58 : 13,028,179.42 = 2,620,174.87 : x - Step 2: Convert to fraction form
8,685,390.58/13,028,179.42 = 2,620,174.87/x - Step 3: Cross multiply
8,685,390.58x = 13,028,179.42 × 2,620,174.87 - Step 4: Simplify right side
8,685,390.58x = 34,136,108,337,695.62 - Step 5: Solve for x
x = 34,136,108,337,695.62/8,685,390.58 - Step 6: Final answer
x = 3,930,290.53
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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.