Finding the Fourth Proportional to 5,149,863.66, 7,724,795.49 and 2,746,426.80
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Solution
The fourth proportional to 5,149,863.66, 7,724,795.49 and 2,746,426.80 is: 4,119,640.20
Step by Step Solution
- Step 1: Write the proportion equation
5,149,863.66 : 7,724,795.49 = 2,746,426.80 : x - Step 2: Convert to fraction form
5,149,863.66/7,724,795.49 = 2,746,426.80/x - Step 3: Cross multiply
5,149,863.66x = 7,724,795.49 × 2,746,426.80 - Step 4: Simplify right side
5,149,863.66x = 21,215,585,358,255.13 - Step 5: Solve for x
x = 21,215,585,358,255.13/5,149,863.66 - Step 6: Final answer
x = 4,119,640.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.