Finding the Fourth Proportional to 3,230,055.15, 4,457,790.21 and 2,412,840.05
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Solution
The fourth proportional to 3,230,055.15, 4,457,790.21 and 2,412,840.05 is: 3,329,953.90
Step by Step Solution
- Step 1: Write the proportion equation
3,230,055.15 : 4,457,790.21 = 2,412,840.05 : x - Step 2: Convert to fraction form
3,230,055.15/4,457,790.21 = 2,412,840.05/x - Step 3: Cross multiply
3,230,055.15x = 4,457,790.21 × 2,412,840.05 - Step 4: Simplify right side
3,230,055.15x = 10,755,934,730,896.96 - Step 5: Solve for x
x = 10,755,934,730,896.96/3,230,055.15 - Step 6: Final answer
x = 3,329,953.90
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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.