Finding the Fourth Proportional to 4,811,751.38, 6,639,372.96 and 2,745,823.70
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Solution
The fourth proportional to 4,811,751.38, 6,639,372.96 and 2,745,823.70 is: 3,788,755.11
Step by Step Solution
- Step 1: Write the proportion equation
4,811,751.38 : 6,639,372.96 = 2,745,823.70 : x - Step 2: Convert to fraction form
4,811,751.38/6,639,372.96 = 2,745,823.70/x - Step 3: Cross multiply
4,811,751.38x = 6,639,372.96 × 2,745,823.70 - Step 4: Simplify right side
4,811,751.38x = 18,230,547,626,707.15 - Step 5: Solve for x
x = 18,230,547,626,707.15/4,811,751.38 - Step 6: Final answer
x = 3,788,755.11
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1.5x scale
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.