Finding the Fourth Proportional to 2,203,486.74, 3,040,866.09 and 1,236,690.72
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Solution
The fourth proportional to 2,203,486.74, 3,040,866.09 and 1,236,690.72 is: 1,706,663.72
Step by Step Solution
- Step 1: Write the proportion equation
2,203,486.74 : 3,040,866.09 = 1,236,690.72 : x - Step 2: Convert to fraction form
2,203,486.74/3,040,866.09 = 1,236,690.72/x - Step 3: Cross multiply
2,203,486.74x = 3,040,866.09 × 1,236,690.72 - Step 4: Simplify right side
2,203,486.74x = 3,760,610,874,265.68 - Step 5: Solve for x
x = 3,760,610,874,265.68/2,203,486.74 - Step 6: Final answer
x = 1,706,663.72
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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.