Finding the Fourth Proportional to 3,578,660.82, 4,941,531.64 and 3,319,025.65
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Solution
The fourth proportional to 3,578,660.82, 4,941,531.64 and 3,319,025.65 is: 4,583,018.92
Step by Step Solution
- Step 1: Write the proportion equation
3,578,660.82 : 4,941,531.64 = 3,319,025.65 : x - Step 2: Convert to fraction form
3,578,660.82/4,941,531.64 = 3,319,025.65/x - Step 3: Cross multiply
3,578,660.82x = 4,941,531.64 × 3,319,025.65 - Step 4: Simplify right side
3,578,660.82x = 16,401,070,263,446.56 - Step 5: Solve for x
x = 16,401,070,263,446.56/3,578,660.82 - Step 6: Final answer
x = 4,583,018.92
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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.