Finding the Fourth Proportional to 5,393,881.44, 7,443,782.64 and 3,102,043.96
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Solution
The fourth proportional to 5,393,881.44, 7,443,782.64 and 3,102,043.96 is: 4,280,950.78
Step by Step Solution
- Step 1: Write the proportion equation
5,393,881.44 : 7,443,782.64 = 3,102,043.96 : x - Step 2: Convert to fraction form
5,393,881.44/7,443,782.64 = 3,102,043.96/x - Step 3: Cross multiply
5,393,881.44x = 7,443,782.64 × 3,102,043.96 - Step 4: Simplify right side
5,393,881.44x = 23,090,940,977,964.85 - Step 5: Solve for x
x = 23,090,940,977,964.85/5,393,881.44 - Step 6: Final answer
x = 4,280,950.78
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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.