Finding the Fourth Proportional to 3,275,618.42, 4,520,371.42 and 1,899,777.99
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Solution
The fourth proportional to 3,275,618.42, 4,520,371.42 and 1,899,777.99 is: 2,621,704.07
Step by Step Solution
- Step 1: Write the proportion equation
3,275,618.42 : 4,520,371.42 = 1,899,777.99 : x - Step 2: Convert to fraction form
3,275,618.42/4,520,371.42 = 1,899,777.99/x - Step 3: Cross multiply
3,275,618.42x = 4,520,371.42 × 1,899,777.99 - Step 4: Simplify right side
3,275,618.42x = 8,587,702,130,341.05 - Step 5: Solve for x
x = 8,587,702,130,341.05/3,275,618.42 - Step 6: Final answer
x = 2,621,704.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.