Finding the Fourth Proportional to 3,236,660.99, 4,466,570.18 and 1,786,356.39
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Solution
The fourth proportional to 3,236,660.99, 4,466,570.18 and 1,786,356.39 is: 2,465,159.68
Step by Step Solution
- Step 1: Write the proportion equation
3,236,660.99 : 4,466,570.18 = 1,786,356.39 : x - Step 2: Convert to fraction form
3,236,660.99/4,466,570.18 = 1,786,356.39/x - Step 3: Cross multiply
3,236,660.99x = 4,466,570.18 × 1,786,356.39 - Step 4: Simplify right side
3,236,660.99x = 7,978,886,173,494.67 - Step 5: Solve for x
x = 7,978,886,173,494.67/3,236,660.99 - Step 6: Final answer
x = 2,465,159.68
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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.