Finding the Fourth Proportional to 2,931,821.37, 4,394,662.70 and 1,226,941.47
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Solution
The fourth proportional to 2,931,821.37, 4,394,662.70 and 1,226,941.47 is: 1,839,127.70
Step by Step Solution
- Step 1: Write the proportion equation
2,931,821.37 : 4,394,662.70 = 1,226,941.47 : x - Step 2: Convert to fraction form
2,931,821.37/4,394,662.70 = 1,226,941.47/x - Step 3: Cross multiply
2,931,821.37x = 4,394,662.70 × 1,226,941.47 - Step 4: Simplify right side
2,931,821.37x = 5,391,993,907,157.46 - Step 5: Solve for x
x = 5,391,993,907,157.46/2,931,821.37 - Step 6: Final answer
x = 1,839,127.70
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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.