Finding the Fourth Proportional to 5,279,076, 7,285,047.12 and 3,103,863.84
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Solution
The fourth proportional to 5,279,076, 7,285,047.12 and 3,103,863.84 is: 4,283,286.38
Step by Step Solution
- Step 1: Write the proportion equation
5,279,076 : 7,285,047.12 = 3,103,863.84 : x - Step 2: Convert to fraction form
5,279,076/7,285,047.12 = 3,103,863.84/x - Step 3: Cross multiply
5,279,076x = 7,285,047.12 × 3,103,863.84 - Step 4: Simplify right side
5,279,076x = 22,611,794,328,464.14 - Step 5: Solve for x
x = 22,611,794,328,464.14/5,279,076 - Step 6: Final answer
x = 4,283,286.38
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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.