Finding the Fourth Proportional to 3,206,705.76, 4,781,760.48 and 3,177,910.08
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Solution
The fourth proportional to 3,206,705.76, 4,781,760.48 and 3,177,910.08 is: 4,738,821.07
Step by Step Solution
- Step 1: Write the proportion equation
3,206,705.76 : 4,781,760.48 = 3,177,910.08 : x - Step 2: Convert to fraction form
3,206,705.76/4,781,760.48 = 3,177,910.08/x - Step 3: Cross multiply
3,206,705.76x = 4,781,760.48 × 3,177,910.08 - Step 4: Simplify right side
3,206,705.76x = 15,196,004,829,537.64 - Step 5: Solve for x
x = 15,196,004,829,537.64/3,206,705.76 - Step 6: Final answer
x = 4,738,821.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.