Finding the Fourth Proportional to 3,553,131.79, 5,330,023.45 and 994,339.66
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Solution
The fourth proportional to 3,553,131.79, 5,330,023.45 and 994,339.66 is: 1,491,600.65
Step by Step Solution
- Step 1: Write the proportion equation
3,553,131.79 : 5,330,023.45 = 994,339.66 : x - Step 2: Convert to fraction form
3,553,131.79/5,330,023.45 = 994,339.66/x - Step 3: Cross multiply
3,553,131.79x = 5,330,023.45 × 994,339.66 - Step 4: Simplify right side
3,553,131.79x = 5,299,853,689,254.12 - Step 5: Solve for x
x = 5,299,853,689,254.12/3,553,131.79 - Step 6: Final answer
x = 1,491,600.65
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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.