Finding the Fourth Proportional to 1,522,832.64, 2,102,464.62 and 979,911.97
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Solution
The fourth proportional to 1,522,832.64, 2,102,464.62 and 979,911.97 is: 1,352,893.41
Step by Step Solution
- Step 1: Write the proportion equation
1,522,832.64 : 2,102,464.62 = 979,911.97 : x - Step 2: Convert to fraction form
1,522,832.64/2,102,464.62 = 979,911.97/x - Step 3: Cross multiply
1,522,832.64x = 2,102,464.62 × 979,911.97 - Step 4: Simplify right side
1,522,832.64x = 2,060,230,242,383.34 - Step 5: Solve for x
x = 2,060,230,242,383.34/1,522,832.64 - Step 6: Final answer
x = 1,352,893.41
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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.