Finding the Fourth Proportional to 3,616,442.28, 5,424,663.36 and 2,818,320.92
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Solution
The fourth proportional to 3,616,442.28, 5,424,663.36 and 2,818,320.92 is: 4,227,481.33
Step by Step Solution
- Step 1: Write the proportion equation
3,616,442.28 : 5,424,663.36 = 2,818,320.92 : x - Step 2: Convert to fraction form
3,616,442.28/5,424,663.36 = 2,818,320.92/x - Step 3: Cross multiply
3,616,442.28x = 5,424,663.36 × 2,818,320.92 - Step 4: Simplify right side
3,616,442.28x = 15,288,442,231,445.49 - Step 5: Solve for x
x = 15,288,442,231,445.49/3,616,442.28 - Step 6: Final answer
x = 4,227,481.33
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1.5x scale
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.