Finding the Fourth Proportional to 4,650,659.99, 6,418,269.88 and 2,790,145.26
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Solution
The fourth proportional to 4,650,659.99, 6,418,269.88 and 2,790,145.26 is: 3,850,615.90
Step by Step Solution
- Step 1: Write the proportion equation
4,650,659.99 : 6,418,269.88 = 2,790,145.26 : x - Step 2: Convert to fraction form
4,650,659.99/6,418,269.88 = 2,790,145.26/x - Step 3: Cross multiply
4,650,659.99x = 6,418,269.88 × 2,790,145.26 - Step 4: Simplify right side
4,650,659.99x = 17,907,905,283,082.77 - Step 5: Solve for x
x = 17,907,905,283,082.77/4,650,659.99 - Step 6: Final answer
x = 3,850,615.90
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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.