Finding the Fourth Proportional to 4,805,546.88, 7,208,559.84 and 1,439,433.12
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Solution
The fourth proportional to 4,805,546.88, 7,208,559.84 and 1,439,433.12 is: 2,159,221.42
Step by Step Solution
- Step 1: Write the proportion equation
4,805,546.88 : 7,208,559.84 = 1,439,433.12 : x - Step 2: Convert to fraction form
4,805,546.88/7,208,559.84 = 1,439,433.12/x - Step 3: Cross multiply
4,805,546.88x = 7,208,559.84 × 1,439,433.12 - Step 4: Simplify right side
4,805,546.88x = 10,376,239,781,197.90 - Step 5: Solve for x
x = 10,376,239,781,197.90/4,805,546.88 - Step 6: Final answer
x = 2,159,221.42
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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.