Finding the Fourth Proportional to 1,610,282.64, 2,222,306.16 and 965,691.12
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Solution
The fourth proportional to 1,610,282.64, 2,222,306.16 and 965,691.12 is: 1,332,723.38
Step by Step Solution
- Step 1: Write the proportion equation
1,610,282.64 : 2,222,306.16 = 965,691.12 : x - Step 2: Convert to fraction form
1,610,282.64/2,222,306.16 = 965,691.12/x - Step 3: Cross multiply
1,610,282.64x = 2,222,306.16 × 965,691.12 - Step 4: Simplify right side
1,610,282.64x = 2,146,061,324,633.30 - Step 5: Solve for x
x = 2,146,061,324,633.30/1,610,282.64 - Step 6: Final answer
x = 1,332,723.38
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1.5x scale
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.