Finding the Fourth Proportional to 3,414,167.70, 5,121,251.55 and 2,994,263.70
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Solution
The fourth proportional to 3,414,167.70, 5,121,251.55 and 2,994,263.70 is: 4,491,395.55
Step by Step Solution
- Step 1: Write the proportion equation
3,414,167.70 : 5,121,251.55 = 2,994,263.70 : x - Step 2: Convert to fraction form
3,414,167.70/5,121,251.55 = 2,994,263.70/x - Step 3: Cross multiply
3,414,167.70x = 5,121,251.55 × 2,994,263.70 - Step 4: Simplify right side
3,414,167.70x = 15,334,377,614,733.74 - Step 5: Solve for x
x = 15,334,377,614,733.74/3,414,167.70 - Step 6: Final answer
x = 4,491,395.55
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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.