Finding the Fourth Proportional to 2,489,085.87, 3,434,899.28 and 1,401,354.99
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Solution
The fourth proportional to 2,489,085.87, 3,434,899.28 and 1,401,354.99 is: 1,933,847.80
Step by Step Solution
- Step 1: Write the proportion equation
2,489,085.87 : 3,434,899.28 = 1,401,354.99 : x - Step 2: Convert to fraction form
2,489,085.87/3,434,899.28 = 1,401,354.99/x - Step 3: Cross multiply
2,489,085.87x = 3,434,899.28 × 1,401,354.99 - Step 4: Simplify right side
2,489,085.87x = 4,813,513,239,168.63 - Step 5: Solve for x
x = 4,813,513,239,168.63/2,489,085.87 - Step 6: Final answer
x = 1,933,847.80
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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.