Finding the Fourth Proportional to 5,437,135.15, 7,503,087.84 and 2,989,743.64
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Solution
The fourth proportional to 5,437,135.15, 7,503,087.84 and 2,989,743.64 is: 4,125,758.98
Step by Step Solution
- Step 1: Write the proportion equation
5,437,135.15 : 7,503,087.84 = 2,989,743.64 : x - Step 2: Convert to fraction form
5,437,135.15/7,503,087.84 = 2,989,743.64/x - Step 3: Cross multiply
5,437,135.15x = 7,503,087.84 × 2,989,743.64 - Step 4: Simplify right side
5,437,135.15x = 22,432,309,150,001.34 - Step 5: Solve for x
x = 22,432,309,150,001.34/5,437,135.15 - Step 6: Final answer
x = 4,125,758.98
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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.