Finding the Fourth Proportional to 4,345,907.40, 6,521,193.90 and 1,821,817.80
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Solution
The fourth proportional to 4,345,907.40, 6,521,193.90 and 1,821,817.80 is: 2,733,704.62
Step by Step Solution
- Step 1: Write the proportion equation
4,345,907.40 : 6,521,193.90 = 1,821,817.80 : x - Step 2: Convert to fraction form
4,345,907.40/6,521,193.90 = 1,821,817.80/x - Step 3: Cross multiply
4,345,907.40x = 6,521,193.90 × 1,821,817.80 - Step 4: Simplify right side
4,345,907.40x = 11,880,427,124,271.42 - Step 5: Solve for x
x = 11,880,427,124,271.42/4,345,907.40 - Step 6: Final answer
x = 2,733,704.62
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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.