Finding the Fourth Proportional to 4,256,291.16, 6,384,258.12 and 1,981,032.96
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Solution
The fourth proportional to 4,256,291.16, 6,384,258.12 and 1,981,032.96 is: 2,971,466.30
Step by Step Solution
- Step 1: Write the proportion equation
4,256,291.16 : 6,384,258.12 = 1,981,032.96 : x - Step 2: Convert to fraction form
4,256,291.16/6,384,258.12 = 1,981,032.96/x - Step 3: Cross multiply
4,256,291.16x = 6,384,258.12 × 1,981,032.96 - Step 4: Simplify right side
4,256,291.16x = 12,647,425,760,867.63 - Step 5: Solve for x
x = 12,647,425,760,867.63/4,256,291.16 - Step 6: Final answer
x = 2,971,466.30
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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.