Finding the Fourth Proportional to 3,226,585.16, 4,839,879.36 and 1,331,243.48
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Solution
The fourth proportional to 3,226,585.16, 4,839,879.36 and 1,331,243.48 is: 1,996,865.89
Step by Step Solution
- Step 1: Write the proportion equation
3,226,585.16 : 4,839,879.36 = 1,331,243.48 : x - Step 2: Convert to fraction form
3,226,585.16/4,839,879.36 = 1,331,243.48/x - Step 3: Cross multiply
3,226,585.16x = 4,839,879.36 × 1,331,243.48 - Step 4: Simplify right side
3,226,585.16x = 6,443,057,841,986.57 - Step 5: Solve for x
x = 6,443,057,841,986.57/3,226,585.16 - Step 6: Final answer
x = 1,996,865.89
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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.