Finding the Fourth Proportional to 3,474,581.10, 5,211,612.45 and 1,452,302.70
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Solution
The fourth proportional to 3,474,581.10, 5,211,612.45 and 1,452,302.70 is: 2,178,345.71
Step by Step Solution
- Step 1: Write the proportion equation
3,474,581.10 : 5,211,612.45 = 1,452,302.70 : x - Step 2: Convert to fraction form
3,474,581.10/5,211,612.45 = 1,452,302.70/x - Step 3: Cross multiply
3,474,581.10x = 5,211,612.45 × 1,452,302.70 - Step 4: Simplify right side
3,474,581.10x = 7,568,838,832,488.62 - Step 5: Solve for x
x = 7,568,838,832,488.62/3,474,581.10 - Step 6: Final answer
x = 2,178,345.71
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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.