Finding the Fourth Proportional to 2,266,821.25, 3,128,289.66 and 1,234,368.92
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Solution
The fourth proportional to 2,266,821.25, 3,128,289.66 and 1,234,368.92 is: 1,703,470.68
Step by Step Solution
- Step 1: Write the proportion equation
2,266,821.25 : 3,128,289.66 = 1,234,368.92 : x - Step 2: Convert to fraction form
2,266,821.25/3,128,289.66 = 1,234,368.92/x - Step 3: Cross multiply
2,266,821.25x = 3,128,289.66 × 1,234,368.92 - Step 4: Simplify right side
2,266,821.25x = 3,861,463,536,882.09 - Step 5: Solve for x
x = 3,861,463,536,882.09/2,266,821.25 - Step 6: Final answer
x = 1,703,470.68
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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.