Finding the Fourth Proportional to 2,858,514.33, 3,944,778.12 and 1,551,776.50
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Solution
The fourth proportional to 2,858,514.33, 3,944,778.12 and 1,551,776.50 is: 2,141,466.96
Step by Step Solution
- Step 1: Write the proportion equation
2,858,514.33 : 3,944,778.12 = 1,551,776.50 : x - Step 2: Convert to fraction form
2,858,514.33/3,944,778.12 = 1,551,776.50/x - Step 3: Cross multiply
2,858,514.33x = 3,944,778.12 × 1,551,776.50 - Step 4: Simplify right side
2,858,514.33x = 6,121,413,984,330.18 - Step 5: Solve for x
x = 6,121,413,984,330.18/2,858,514.33 - Step 6: Final answer
x = 2,141,466.96
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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.