Finding the Fourth Proportional to 1,634,266.72, 2,451,400.56 and 512,423.20
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Solution
The fourth proportional to 1,634,266.72, 2,451,400.56 and 512,423.20 is: 768,634.95
Step by Step Solution
- Step 1: Write the proportion equation
1,634,266.72 : 2,451,400.56 = 512,423.20 : x - Step 2: Convert to fraction form
1,634,266.72/2,451,400.56 = 512,423.20/x - Step 3: Cross multiply
1,634,266.72x = 2,451,400.56 × 512,423.20 - Step 4: Simplify right side
1,634,266.72x = 1,256,154,519,436.99 - Step 5: Solve for x
x = 1,256,154,519,436.99/1,634,266.72 - Step 6: Final answer
x = 768,634.95
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1.5x scale
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.