Finding the Fourth Proportional to 4,234,043.70, 5,842,866.51 and 2,491,815.56
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Solution
The fourth proportional to 4,234,043.70, 5,842,866.51 and 2,491,815.56 is: 3,438,638.49
Step by Step Solution
- Step 1: Write the proportion equation
4,234,043.70 : 5,842,866.51 = 2,491,815.56 : x - Step 2: Convert to fraction form
4,234,043.70/5,842,866.51 = 2,491,815.56/x - Step 3: Cross multiply
4,234,043.70x = 5,842,866.51 × 2,491,815.56 - Step 4: Simplify right side
4,234,043.70x = 14,559,345,655,406.56 - Step 5: Solve for x
x = 14,559,345,655,406.56/4,234,043.70 - Step 6: Final answer
x = 3,438,638.49
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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.