Finding the Fourth Proportional to 1,685,238.64, 2,527,487.99 and 486,900.24
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Solution
The fourth proportional to 1,685,238.64, 2,527,487.99 and 486,900.24 is: 730,243.47
Step by Step Solution
- Step 1: Write the proportion equation
1,685,238.64 : 2,527,487.99 = 486,900.24 : x - Step 2: Convert to fraction form
1,685,238.64/2,527,487.99 = 486,900.24/x - Step 3: Cross multiply
1,685,238.64x = 2,527,487.99 × 486,900.24 - Step 4: Simplify right side
1,685,238.64x = 1,230,634,508,004.11 - Step 5: Solve for x
x = 1,230,634,508,004.11/1,685,238.64 - Step 6: Final answer
x = 730,243.47
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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.