Finding the Fourth Proportional to 5,379,441.74, 7,423,581.62 and 2,932,052.66
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Solution
The fourth proportional to 5,379,441.74, 7,423,581.62 and 2,932,052.66 is: 4,046,206.52
Step by Step Solution
- Step 1: Write the proportion equation
5,379,441.74 : 7,423,581.62 = 2,932,052.66 : x - Step 2: Convert to fraction form
5,379,441.74/7,423,581.62 = 2,932,052.66/x - Step 3: Cross multiply
5,379,441.74x = 7,423,581.62 × 2,932,052.66 - Step 4: Simplify right side
5,379,441.74x = 21,766,332,235,648.11 - Step 5: Solve for x
x = 21,766,332,235,648.11/5,379,441.74 - Step 6: Final answer
x = 4,046,206.52
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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.