Finding the Fourth Proportional to 5,203,557.72, 7,808,668.11 and 2,809,069.74
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Solution
The fourth proportional to 5,203,557.72, 7,808,668.11 and 2,809,069.74 is: 4,215,403.09
Step by Step Solution
- Step 1: Write the proportion equation
5,203,557.72 : 7,808,668.11 = 2,809,069.74 : x - Step 2: Convert to fraction form
5,203,557.72/7,808,668.11 = 2,809,069.74/x - Step 3: Cross multiply
5,203,557.72x = 7,808,668.11 × 2,809,069.74 - Step 4: Simplify right side
5,203,557.72x = 21,935,093,297,503.99 - Step 5: Solve for x
x = 21,935,093,297,503.99/5,203,557.72 - Step 6: Final answer
x = 4,215,403.09
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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.