Finding the Fourth Proportional to 3,421,255.92, 4,721,481.36 and 1,893,363.54
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Solution
The fourth proportional to 3,421,255.92, 4,721,481.36 and 1,893,363.54 is: 2,612,923.70
Step by Step Solution
- Step 1: Write the proportion equation
3,421,255.92 : 4,721,481.36 = 1,893,363.54 : x - Step 2: Convert to fraction form
3,421,255.92/4,721,481.36 = 1,893,363.54/x - Step 3: Cross multiply
3,421,255.92x = 4,721,481.36 × 1,893,363.54 - Step 4: Simplify right side
3,421,255.92x = 8,939,480,661,813.62 - Step 5: Solve for x
x = 8,939,480,661,813.62/3,421,255.92 - Step 6: Final answer
x = 2,612,923.70
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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.