Finding the Fourth Proportional to 3,236,658.08, 4,466,566.16 and 1,786,353.49
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Solution
The fourth proportional to 3,236,658.08, 4,466,566.16 and 1,786,353.49 is: 2,465,155.68
Step by Step Solution
- Step 1: Write the proportion equation
3,236,658.08 : 4,466,566.16 = 1,786,353.49 : x - Step 2: Convert to fraction form
3,236,658.08/4,466,566.16 = 1,786,353.49/x - Step 3: Cross multiply
3,236,658.08x = 4,466,566.16 × 1,786,353.49 - Step 4: Simplify right side
3,236,658.08x = 7,978,866,041,531.37 - Step 5: Solve for x
x = 7,978,866,041,531.37/3,236,658.08 - Step 6: Final answer
x = 2,465,155.68
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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.