Finding the Fourth Proportional to 3,629,520.50, 5,444,280.74 and 1,105,175.75
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Solution
The fourth proportional to 3,629,520.50, 5,444,280.74 and 1,105,175.75 is: 1,657,763.62
Step by Step Solution
- Step 1: Write the proportion equation
3,629,520.50 : 5,444,280.74 = 1,105,175.75 : x - Step 2: Convert to fraction form
3,629,520.50/5,444,280.74 = 1,105,175.75/x - Step 3: Cross multiply
3,629,520.50x = 5,444,280.74 × 1,105,175.75 - Step 4: Simplify right side
3,629,520.50x = 6,016,887,025,581.59 - Step 5: Solve for x
x = 6,016,887,025,581.59/3,629,520.50 - Step 6: Final answer
x = 1,657,763.62
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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.