Finding the Fourth Proportional to 5,147,279.84, 7,715,898.24 and 2,450,880.80
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Solution
The fourth proportional to 5,147,279.84, 7,715,898.24 and 2,450,880.80 is: 3,673,930.20
Step by Step Solution
- Step 1: Write the proportion equation
5,147,279.84 : 7,715,898.24 = 2,450,880.80 : x - Step 2: Convert to fraction form
5,147,279.84/7,715,898.24 = 2,450,880.80/x - Step 3: Cross multiply
5,147,279.84x = 7,715,898.24 × 2,450,880.80 - Step 4: Simplify right side
5,147,279.84x = 18,910,746,851,169.79 - Step 5: Solve for x
x = 18,910,746,851,169.79/5,147,279.84 - Step 6: Final answer
x = 3,673,930.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.