Finding the Fourth Proportional to 1,970,340.66, 2,951,082.18 and 1,199,751.21
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Solution
The fourth proportional to 1,970,340.66, 2,951,082.18 and 1,199,751.21 is: 1,796,930.09
Step by Step Solution
- Step 1: Write the proportion equation
1,970,340.66 : 2,951,082.18 = 1,199,751.21 : x - Step 2: Convert to fraction form
1,970,340.66/2,951,082.18 = 1,199,751.21/x - Step 3: Cross multiply
1,970,340.66x = 2,951,082.18 × 1,199,751.21 - Step 4: Simplify right side
1,970,340.66x = 3,540,564,416,264.44 - Step 5: Solve for x
x = 3,540,564,416,264.44/1,970,340.66 - Step 6: Final answer
x = 1,796,930.09
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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.