Finding the Fourth Proportional to 1,447,157.24, 2,171,049.33 and 436,194.62
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Solution
The fourth proportional to 1,447,157.24, 2,171,049.33 and 436,194.62 is: 654,386.41
Step by Step Solution
- Step 1: Write the proportion equation
1,447,157.24 : 2,171,049.33 = 436,194.62 : x - Step 2: Convert to fraction form
1,447,157.24/2,171,049.33 = 436,194.62/x - Step 3: Cross multiply
1,447,157.24x = 2,171,049.33 × 436,194.62 - Step 4: Simplify right side
1,447,157.24x = 947,000,037,500.61 - Step 5: Solve for x
x = 947,000,037,500.61/1,447,157.24 - Step 6: Final answer
x = 654,386.41
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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.