Finding the Fourth Proportional to 2,128,495.12, 3,193,272.60 and 632,546.32
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Solution
The fourth proportional to 2,128,495.12, 3,193,272.60 and 632,546.32 is: 948,976.96
Step by Step Solution
- Step 1: Write the proportion equation
2,128,495.12 : 3,193,272.60 = 632,546.32 : x - Step 2: Convert to fraction form
2,128,495.12/3,193,272.60 = 632,546.32/x - Step 3: Cross multiply
2,128,495.12x = 3,193,272.60 × 632,546.32 - Step 4: Simplify right side
2,128,495.12x = 2,019,892,831,886.83 - Step 5: Solve for x
x = 2,019,892,831,886.83/2,128,495.12 - Step 6: Final answer
x = 948,976.96
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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.