Finding the Fourth Proportional to 1,753,979.76, 2,420,492.06 and 949,163.76
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Solution
The fourth proportional to 1,753,979.76, 2,420,492.06 and 949,163.76 is: 1,309,845.98
Step by Step Solution
- Step 1: Write the proportion equation
1,753,979.76 : 2,420,492.06 = 949,163.76 : x - Step 2: Convert to fraction form
1,753,979.76/2,420,492.06 = 949,163.76/x - Step 3: Cross multiply
1,753,979.76x = 2,420,492.06 × 949,163.76 - Step 4: Simplify right side
1,753,979.76x = 2,297,443,344,719.75 - Step 5: Solve for x
x = 2,297,443,344,719.75/1,753,979.76 - Step 6: Final answer
x = 1,309,845.98
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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.