Finding the Fourth Proportional to 2,153,906.24, 3,231,458.04 and 939,589.07
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Solution
The fourth proportional to 2,153,906.24, 3,231,458.04 and 939,589.07 is: 1,409,644.76
Step by Step Solution
- Step 1: Write the proportion equation
2,153,906.24 : 3,231,458.04 = 939,589.07 : x - Step 2: Convert to fraction form
2,153,906.24/3,231,458.04 = 939,589.07/x - Step 3: Cross multiply
2,153,906.24x = 3,231,458.04 × 939,589.07 - Step 4: Simplify right side
2,153,906.24x = 3,036,242,641,913.79 - Step 5: Solve for x
x = 3,036,242,641,913.79/2,153,906.24 - Step 6: Final answer
x = 1,409,644.76
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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.