Finding the Fourth Proportional to 7,325,992.80, 10,981,213.20 and 3,537,007.20
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Solution
The fourth proportional to 7,325,992.80, 10,981,213.20 and 3,537,007.20 is: 5,301,756.53
Step by Step Solution
- Step 1: Write the proportion equation
7,325,992.80 : 10,981,213.20 = 3,537,007.20 : x - Step 2: Convert to fraction form
7,325,992.80/10,981,213.20 = 3,537,007.20/x - Step 3: Cross multiply
7,325,992.80x = 10,981,213.20 × 3,537,007.20 - Step 4: Simplify right side
7,325,992.80x = 38,840,630,153,135.04 - Step 5: Solve for x
x = 38,840,630,153,135.04/7,325,992.80 - Step 6: Final answer
x = 5,301,756.53
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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.