Finding the Fourth Proportional to 3,275,617.42, 4,520,370.04 and 1,899,776.99
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Solution
The fourth proportional to 3,275,617.42, 4,520,370.04 and 1,899,776.99 is: 2,621,702.68
Step by Step Solution
- Step 1: Write the proportion equation
3,275,617.42 : 4,520,370.04 = 1,899,776.99 : x - Step 2: Convert to fraction form
3,275,617.42/4,520,370.04 = 1,899,776.99/x - Step 3: Cross multiply
3,275,617.42x = 4,520,370.04 × 1,899,776.99 - Step 4: Simplify right side
3,275,617.42x = 8,587,694,969,401.78 - Step 5: Solve for x
x = 8,587,694,969,401.78/3,275,617.42 - Step 6: Final answer
x = 2,621,702.68
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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.