Finding the Fourth Proportional to 5,393,890.44, 7,443,789.84 and 3,102,052.95
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Solution
The fourth proportional to 5,393,890.44, 7,443,789.84 and 3,102,052.95 is: 4,280,960.19
Step by Step Solution
- Step 1: Write the proportion equation
5,393,890.44 : 7,443,789.84 = 3,102,052.95 : x - Step 2: Convert to fraction form
5,393,890.44/7,443,789.84 = 3,102,052.95/x - Step 3: Cross multiply
5,393,890.44x = 7,443,789.84 × 3,102,052.95 - Step 4: Simplify right side
5,393,890.44x = 23,091,030,232,352.03 - Step 5: Solve for x
x = 23,091,030,232,352.03/5,393,890.44 - Step 6: Final answer
x = 4,280,960.19
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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.