Finding the Fourth Proportional to 1,680,335.64, 2,318,770.98 and 955,082.70
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Solution
The fourth proportional to 1,680,335.64, 2,318,770.98 and 955,082.70 is: 1,317,961.72
Step by Step Solution
- Step 1: Write the proportion equation
1,680,335.64 : 2,318,770.98 = 955,082.70 : x - Step 2: Convert to fraction form
1,680,335.64/2,318,770.98 = 955,082.70/x - Step 3: Cross multiply
1,680,335.64x = 2,318,770.98 × 955,082.70 - Step 4: Simplify right side
1,680,335.64x = 2,214,618,048,260.05 - Step 5: Solve for x
x = 2,214,618,048,260.05/1,680,335.64 - Step 6: Final answer
x = 1,317,961.72
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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.