Finding the Fourth Proportional to 2,621,123.84, 3,931,687.41 and 727,865.48
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Solution
The fourth proportional to 2,621,123.84, 3,931,687.41 and 727,865.48 is: 1,091,798.68
Step by Step Solution
- Step 1: Write the proportion equation
2,621,123.84 : 3,931,687.41 = 727,865.48 : x - Step 2: Convert to fraction form
2,621,123.84/3,931,687.41 = 727,865.48/x - Step 3: Cross multiply
2,621,123.84x = 3,931,687.41 × 727,865.48 - Step 4: Simplify right side
2,621,123.84x = 2,861,739,543,889.61 - Step 5: Solve for x
x = 2,861,739,543,889.61/2,621,123.84 - Step 6: Final answer
x = 1,091,798.68
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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.