Finding the Fourth Proportional to 2,728,541.80, 4,092,812.70 and 835,037.20
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Solution
The fourth proportional to 2,728,541.80, 4,092,812.70 and 835,037.20 is: 1,252,555.80
Step by Step Solution
- Step 1: Write the proportion equation
2,728,541.80 : 4,092,812.70 = 835,037.20 : x - Step 2: Convert to fraction form
2,728,541.80/4,092,812.70 = 835,037.20/x - Step 3: Cross multiply
2,728,541.80x = 4,092,812.70 × 835,037.20 - Step 4: Simplify right side
2,728,541.80x = 3,417,650,857,132.44 - Step 5: Solve for x
x = 3,417,650,857,132.44/2,728,541.80 - Step 6: Final answer
x = 1,252,555.80
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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.