Finding the Fourth Proportional to 3,230,998.43, 4,458,595.97 and 1,780,689.29
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Solution
The fourth proportional to 3,230,998.43, 4,458,595.97 and 1,780,689.29 is: 2,457,250.99
Step by Step Solution
- Step 1: Write the proportion equation
3,230,998.43 : 4,458,595.97 = 1,780,689.29 : x - Step 2: Convert to fraction form
3,230,998.43/4,458,595.97 = 1,780,689.29/x - Step 3: Cross multiply
3,230,998.43x = 4,458,595.97 × 1,780,689.29 - Step 4: Simplify right side
3,230,998.43x = 7,939,374,092,216.16 - Step 5: Solve for x
x = 7,939,374,092,216.16/3,230,998.43 - Step 6: Final answer
x = 2,457,250.99
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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.