Finding the Fourth Proportional to 3,685,310.09, 5,527,979.33 and 1,126,515.23
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Solution
The fourth proportional to 3,685,310.09, 5,527,979.33 and 1,126,515.23 is: 1,689,777.18
Step by Step Solution
- Step 1: Write the proportion equation
3,685,310.09 : 5,527,979.33 = 1,126,515.23 : x - Step 2: Convert to fraction form
3,685,310.09/5,527,979.33 = 1,126,515.23/x - Step 3: Cross multiply
3,685,310.09x = 5,527,979.33 × 1,126,515.23 - Step 4: Simplify right side
3,685,310.09x = 6,227,352,893,827.65 - Step 5: Solve for x
x = 6,227,352,893,827.65/3,685,310.09 - Step 6: Final answer
x = 1,689,777.18
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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.