Finding the Fourth Proportional to 4,198,942.51, 6,294,663.05 and 1,639,562.02
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Solution
The fourth proportional to 4,198,942.51, 6,294,663.05 and 1,639,562.02 is: 2,457,878.49
Step by Step Solution
- Step 1: Write the proportion equation
4,198,942.51 : 6,294,663.05 = 1,639,562.02 : x - Step 2: Convert to fraction form
4,198,942.51/6,294,663.05 = 1,639,562.02/x - Step 3: Cross multiply
4,198,942.51x = 6,294,663.05 × 1,639,562.02 - Step 4: Simplify right side
4,198,942.51x = 10,320,490,453,839.61 - Step 5: Solve for x
x = 10,320,490,453,839.61/4,198,942.51 - Step 6: Final answer
x = 2,457,878.49
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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.