Finding the Fourth Proportional to 3,413,463.79, 5,118,481.41 and 1,138,182.70
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Solution
The fourth proportional to 3,413,463.79, 5,118,481.41 and 1,138,182.70 is: 1,706,702.44
Step by Step Solution
- Step 1: Write the proportion equation
3,413,463.79 : 5,118,481.41 = 1,138,182.70 : x - Step 2: Convert to fraction form
3,413,463.79/5,118,481.41 = 1,138,182.70/x - Step 3: Cross multiply
3,413,463.79x = 5,118,481.41 × 1,138,182.70 - Step 4: Simplify right side
3,413,463.79x = 5,825,766,991,133.61 - Step 5: Solve for x
x = 5,825,766,991,133.61/3,413,463.79 - Step 6: Final answer
x = 1,706,702.44
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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.