Finding the Fourth Proportional to 1,638,163.88, 2,457,579.90 and 928,508.84
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Solution
The fourth proportional to 1,638,163.88, 2,457,579.90 and 928,508.84 is: 1,392,952.62
Step by Step Solution
- Step 1: Write the proportion equation
1,638,163.88 : 2,457,579.90 = 928,508.84 : x - Step 2: Convert to fraction form
1,638,163.88/2,457,579.90 = 928,508.84/x - Step 3: Cross multiply
1,638,163.88x = 2,457,579.90 × 928,508.84 - Step 4: Simplify right side
1,638,163.88x = 2,281,884,662,156.32 - Step 5: Solve for x
x = 2,281,884,662,156.32/1,638,163.88 - Step 6: Final answer
x = 1,392,952.62
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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.