Finding the Fourth Proportional to 5,423,523.48, 7,484,441.85 and 2,976,175.44
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Solution
The fourth proportional to 5,423,523.48, 7,484,441.85 and 2,976,175.44 is: 4,107,110.83
Step by Step Solution
- Step 1: Write the proportion equation
5,423,523.48 : 7,484,441.85 = 2,976,175.44 : x - Step 2: Convert to fraction form
5,423,523.48/7,484,441.85 = 2,976,175.44/x - Step 3: Cross multiply
5,423,523.48x = 7,484,441.85 × 2,976,175.44 - Step 4: Simplify right side
5,423,523.48x = 22,275,012,016,078.16 - Step 5: Solve for x
x = 22,275,012,016,078.16/5,423,523.48 - Step 6: Final answer
x = 4,107,110.83
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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.