Finding the Fourth Proportional to 1,900,728.99, 2,851,519.01 and 638,522.19
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Solution
The fourth proportional to 1,900,728.99, 2,851,519.01 and 638,522.19 is: 957,926.23
Step by Step Solution
- Step 1: Write the proportion equation
1,900,728.99 : 2,851,519.01 = 638,522.19 : x - Step 2: Convert to fraction form
1,900,728.99/2,851,519.01 = 638,522.19/x - Step 3: Cross multiply
1,900,728.99x = 2,851,519.01 × 638,522.19 - Step 4: Simplify right side
1,900,728.99x = 1,820,758,159,899.22 - Step 5: Solve for x
x = 1,820,758,159,899.22/1,900,728.99 - Step 6: Final answer
x = 957,926.23
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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.