Finding the Fourth Proportional to 4,156,768.40, 6,235,152.60 and 2,721,877.70
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Solution
The fourth proportional to 4,156,768.40, 6,235,152.60 and 2,721,877.70 is: 4,082,816.55
Step by Step Solution
- Step 1: Write the proportion equation
4,156,768.40 : 6,235,152.60 = 2,721,877.70 : x - Step 2: Convert to fraction form
4,156,768.40/6,235,152.60 = 2,721,877.70/x - Step 3: Cross multiply
4,156,768.40x = 6,235,152.60 × 2,721,877.70 - Step 4: Simplify right side
4,156,768.40x = 16,971,322,818,037.02 - Step 5: Solve for x
x = 16,971,322,818,037.02/4,156,768.40 - Step 6: Final answer
x = 4,082,816.55
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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.