Finding the Fourth Proportional to 3,343,686.99, 4,615,700.56 and 2,257,429.91
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Solution
The fourth proportional to 3,343,686.99, 4,615,700.56 and 2,257,429.91 is: 3,116,206.90
Step by Step Solution
- Step 1: Write the proportion equation
3,343,686.99 : 4,615,700.56 = 2,257,429.91 : x - Step 2: Convert to fraction form
3,343,686.99/4,615,700.56 = 2,257,429.91/x - Step 3: Cross multiply
3,343,686.99x = 4,615,700.56 × 2,257,429.91 - Step 4: Simplify right side
3,343,686.99x = 10,419,620,471,025.67 - Step 5: Solve for x
x = 10,419,620,471,025.67/3,343,686.99 - Step 6: Final answer
x = 3,116,206.90
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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.