Finding the Fourth Proportional to 5,193,446.78, 7,167,846.51 and 3,019,251.08
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Solution
The fourth proportional to 5,193,446.78, 7,167,846.51 and 3,019,251.08 is: 4,167,083.87
Step by Step Solution
- Step 1: Write the proportion equation
5,193,446.78 : 7,167,846.51 = 3,019,251.08 : x - Step 2: Convert to fraction form
5,193,446.78/7,167,846.51 = 3,019,251.08/x - Step 3: Cross multiply
5,193,446.78x = 7,167,846.51 × 3,019,251.08 - Step 4: Simplify right side
5,193,446.78x = 21,641,528,280,752.50 - Step 5: Solve for x
x = 21,641,528,280,752.50/5,193,446.78 - Step 6: Final answer
x = 4,167,083.87
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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.