Finding the Fourth Proportional to 3,183,218.70, 4,774,828.05 and 3,120,233.10
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Solution
The fourth proportional to 3,183,218.70, 4,774,828.05 and 3,120,233.10 is: 4,680,349.65
Step by Step Solution
- Step 1: Write the proportion equation
3,183,218.70 : 4,774,828.05 = 3,120,233.10 : x - Step 2: Convert to fraction form
3,183,218.70/4,774,828.05 = 3,120,233.10/x - Step 3: Cross multiply
3,183,218.70x = 4,774,828.05 × 3,120,233.10 - Step 4: Simplify right side
3,183,218.70x = 14,898,576,528,418.46 - Step 5: Solve for x
x = 14,898,576,528,418.46/3,183,218.70 - Step 6: Final answer
x = 4,680,349.65
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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.