Finding the Fourth Proportional to 1,442,425.32, 2,163,782.16 and 495,671.40
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Solution
The fourth proportional to 1,442,425.32, 2,163,782.16 and 495,671.40 is: 743,556.65
Step by Step Solution
- Step 1: Write the proportion equation
1,442,425.32 : 2,163,782.16 = 495,671.40 : x - Step 2: Convert to fraction form
1,442,425.32/2,163,782.16 = 495,671.40/x - Step 3: Cross multiply
1,442,425.32x = 2,163,782.16 × 495,671.40 - Step 4: Simplify right side
1,442,425.32x = 1,072,524,932,542.22 - Step 5: Solve for x
x = 1,072,524,932,542.22/1,442,425.32 - Step 6: Final answer
x = 743,556.65
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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.