Finding the Fourth Proportional to 4,319,984.50, 6,481,026.60 and 1,328,168.50
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Solution
The fourth proportional to 4,319,984.50, 6,481,026.60 and 1,328,168.50 is: 1,992,575.52
Step by Step Solution
- Step 1: Write the proportion equation
4,319,984.50 : 6,481,026.60 = 1,328,168.50 : x - Step 2: Convert to fraction form
4,319,984.50/6,481,026.60 = 1,328,168.50/x - Step 3: Cross multiply
4,319,984.50x = 6,481,026.60 × 1,328,168.50 - Step 4: Simplify right side
4,319,984.50x = 8,607,895,377,782.10 - Step 5: Solve for x
x = 8,607,895,377,782.10/4,319,984.50 - Step 6: Final answer
x = 1,992,575.52
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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.