Finding the Fourth Proportional to 5,391,625.70, 8,087,438.55 and 4,893,961.70
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Solution
The fourth proportional to 5,391,625.70, 8,087,438.55 and 4,893,961.70 is: 7,340,942.55
Step by Step Solution
- Step 1: Write the proportion equation
5,391,625.70 : 8,087,438.55 = 4,893,961.70 : x - Step 2: Convert to fraction form
5,391,625.70/8,087,438.55 = 4,893,961.70/x - Step 3: Cross multiply
5,391,625.70x = 8,087,438.55 × 4,893,961.70 - Step 4: Simplify right side
5,391,625.70x = 39,579,614,514,803.54 - Step 5: Solve for x
x = 39,579,614,514,803.54/5,391,625.70 - Step 6: Final answer
x = 7,340,942.55
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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.