Finding the Fourth Proportional to 3,772,325.91, 5,205,512.93 and 2,140,733.26
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Solution
The fourth proportional to 3,772,325.91, 5,205,512.93 and 2,140,733.26 is: 2,954,043.46
Step by Step Solution
- Step 1: Write the proportion equation
3,772,325.91 : 5,205,512.93 = 2,140,733.26 : x - Step 2: Convert to fraction form
3,772,325.91/5,205,512.93 = 2,140,733.26/x - Step 3: Cross multiply
3,772,325.91x = 5,205,512.93 × 2,140,733.26 - Step 4: Simplify right side
3,772,325.91x = 11,143,614,664,611.05 - Step 5: Solve for x
x = 11,143,614,664,611.05/3,772,325.91 - Step 6: Final answer
x = 2,954,043.46
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1.5x scale
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.