Finding the Fourth Proportional to 3,413,724.48, 5,117,010.21 and 1,590,586.13
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Solution
The fourth proportional to 3,413,724.48, 5,117,010.21 and 1,590,586.13 is: 2,384,212.75
Step by Step Solution
- Step 1: Write the proportion equation
3,413,724.48 : 5,117,010.21 = 1,590,586.13 : x - Step 2: Convert to fraction form
3,413,724.48/5,117,010.21 = 1,590,586.13/x - Step 3: Cross multiply
3,413,724.48x = 5,117,010.21 × 1,590,586.13 - Step 4: Simplify right side
3,413,724.48x = 8,139,045,441,509.34 - Step 5: Solve for x
x = 8,139,045,441,509.34/3,413,724.48 - Step 6: Final answer
x = 2,384,212.75
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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.