Finding the Fourth Proportional to 2,420,709.57, 3,339,457.11 and 1,561,546.62
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Solution
The fourth proportional to 2,420,709.57, 3,339,457.11 and 1,561,546.62 is: 2,154,210.50
Step by Step Solution
- Step 1: Write the proportion equation
2,420,709.57 : 3,339,457.11 = 1,561,546.62 : x - Step 2: Convert to fraction form
2,420,709.57/3,339,457.11 = 1,561,546.62/x - Step 3: Cross multiply
2,420,709.57x = 3,339,457.11 × 1,561,546.62 - Step 4: Simplify right side
2,420,709.57x = 5,214,717,962,755.47 - Step 5: Solve for x
x = 5,214,717,962,755.47/2,420,709.57 - Step 6: Final answer
x = 2,154,210.50
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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.