Finding the Fourth Proportional to 1,664,232.32, 2,296,639.36 and 900,286.48
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Solution
The fourth proportional to 1,664,232.32, 2,296,639.36 and 900,286.48 is: 1,242,394.67
Step by Step Solution
- Step 1: Write the proportion equation
1,664,232.32 : 2,296,639.36 = 900,286.48 : x - Step 2: Convert to fraction form
1,664,232.32/2,296,639.36 = 900,286.48/x - Step 3: Cross multiply
1,664,232.32x = 2,296,639.36 × 900,286.48 - Step 4: Simplify right side
1,664,232.32x = 2,067,633,365,243.85 - Step 5: Solve for x
x = 2,067,633,365,243.85/1,664,232.32 - Step 6: Final answer
x = 1,242,394.67
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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.