Finding the Fourth Proportional to 3,256,565.99, 4,494,599.21 and 1,806,728.53
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Solution
The fourth proportional to 3,256,565.99, 4,494,599.21 and 1,806,728.53 is: 2,493,583.93
Step by Step Solution
- Step 1: Write the proportion equation
3,256,565.99 : 4,494,599.21 = 1,806,728.53 : x - Step 2: Convert to fraction form
3,256,565.99/4,494,599.21 = 1,806,728.53/x - Step 3: Cross multiply
3,256,565.99x = 4,494,599.21 × 1,806,728.53 - Step 4: Simplify right side
3,256,565.99x = 8,120,520,623,622.46 - Step 5: Solve for x
x = 8,120,520,623,622.46/3,256,565.99 - Step 6: Final answer
x = 2,493,583.93
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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.