Finding the Fourth Proportional to 5,137,872.08, 7,707,890.27 and 1,942,927.52
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Solution
The fourth proportional to 5,137,872.08, 7,707,890.27 and 1,942,927.52 is: 2,914,800.50
Step by Step Solution
- Step 1: Write the proportion equation
5,137,872.08 : 7,707,890.27 = 1,942,927.52 : x - Step 2: Convert to fraction form
5,137,872.08/7,707,890.27 = 1,942,927.52/x - Step 3: Cross multiply
5,137,872.08x = 7,707,890.27 × 1,942,927.52 - Step 4: Simplify right side
5,137,872.08x = 14,975,872,126,723.23 - Step 5: Solve for x
x = 14,975,872,126,723.23/5,137,872.08 - Step 6: Final answer
x = 2,914,800.50
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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.