Finding the Fourth Proportional to 4,543,951.35, 6,270,673.20 and 2,478,960.66
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Solution
The fourth proportional to 4,543,951.35, 6,270,673.20 and 2,478,960.66 is: 3,420,976.81
Step by Step Solution
- Step 1: Write the proportion equation
4,543,951.35 : 6,270,673.20 = 2,478,960.66 : x - Step 2: Convert to fraction form
4,543,951.35/6,270,673.20 = 2,478,960.66/x - Step 3: Cross multiply
4,543,951.35x = 6,270,673.20 × 2,478,960.66 - Step 4: Simplify right side
4,543,951.35x = 15,544,752,174,516.31 - Step 5: Solve for x
x = 15,544,752,174,516.31/4,543,951.35 - Step 6: Final answer
x = 3,420,976.81
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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.