Finding the Fourth Proportional to 4,139,942.49, 6,209,557.98 and 2,520,290.94
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Solution
The fourth proportional to 4,139,942.49, 6,209,557.98 and 2,520,290.94 is: 3,780,219.84
Step by Step Solution
- Step 1: Write the proportion equation
4,139,942.49 : 6,209,557.98 = 2,520,290.94 : x - Step 2: Convert to fraction form
4,139,942.49/6,209,557.98 = 2,520,290.94/x - Step 3: Cross multiply
4,139,942.49x = 6,209,557.98 × 2,520,290.94 - Step 4: Simplify right side
4,139,942.49x = 15,649,892,718,398.70 - Step 5: Solve for x
x = 15,649,892,718,398.70/4,139,942.49 - Step 6: Final answer
x = 3,780,219.84
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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.